40587040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 110678400

約数和(自身を除く): 70091360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 79, 80, 95, 104, 130, 152, 158, 160, 169, 190, 208, 247, 260, 304, 316, 338, 380, 395, 416, 494, 520, 608, 632, 676, 760, 790, 845, 988, 1027, 1040, 1235, 1264, 1352, 1501, 1520, 1580, 1690, 1976, 2054, 2080, 2470, 2528, 2704, 3002, 3040, 3160, 3211, 3380, 3952, 4108, 4940, 5135, 5408, 6004, 6320, 6422, 6760, 7505, 7904, 8216, 9880, 10270, 12008, 12640, 12844, 13351, 13520, 15010, 16055, 16432, 19513, 19760, 20540, 24016, 25688, 26702, 27040, 30020, 32110, 32864, 39026, 39520, 41080, 48032, 51376, 53404, 60040, 64220, 66755, 78052, 82160, 97565, 102752, 106808, 120080, 128440, 133510, 156104, 164320, 195130, 213616, 240160, 253669, 256880, 267020, 312208, 390260, 427232, 507338, 513760, 534040, 624416, 780520, 1014676, 1068080, 1268345, 1561040, 2029352, 2136160, 2536690, 3122080, 4058704, 5073380, 8117408, 10146760, 20293520, 40587040]

約数ペア:

[(1, 40587040), (2, 20293520), (4, 10146760), (5, 8117408), (8, 5073380), (10, 4058704), (13, 3122080), (16, 2536690), (19, 2136160), (20, 2029352), (26, 1561040), (32, 1268345), (38, 1068080), (40, 1014676), (52, 780520), (65, 624416), (76, 534040), (79, 513760), (80, 507338), (95, 427232), (104, 390260), (130, 312208), (152, 267020), (158, 256880), (160, 253669), (169, 240160), (190, 213616), (208, 195130), (247, 164320), (260, 156104), (304, 133510), (316, 128440), (338, 120080), (380, 106808), (395, 102752), (416, 97565), (494, 82160), (520, 78052), (608, 66755), (632, 64220), (676, 60040), (760, 53404), (790, 51376), (845, 48032), (988, 41080), (1027, 39520), (1040, 39026), (1235, 32864), (1264, 32110), (1352, 30020), (1501, 27040), (1520, 26702), (1580, 25688), (1690, 24016), (1976, 20540), (2054, 19760), (2080, 19513), (2470, 16432), (2528, 16055), (2704, 15010), (3002, 13520), (3040, 13351), (3160, 12844), (3211, 12640), (3380, 12008), (3952, 10270), (4108, 9880), (4940, 8216), (5135, 7904), (5408, 7505), (6004, 6760), (6320, 6422)]