51415520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1348

約数の個数: 96

約数和(自身を含む): 137803680

約数和(自身を除く): 86388160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1301, 1520, 1976, 2080, 2470, 2602, 3040, 3952, 4940, 5204, 6505, 7904, 9880, 10408, 13010, 16913, 19760, 20816, 24719, 26020, 33826, 39520, 41632, 49438, 52040, 67652, 84565, 98876, 104080, 123595, 135304, 169130, 197752, 208160, 247190, 270608, 321347, 338260, 395504, 494380, 541216, 642694, 676520, 791008, 988760, 1285388, 1353040, 1606735, 1977520, 2570776, 2706080, 3213470, 3955040, 5141552, 6426940, 10283104, 12853880, 25707760, 51415520]

約数ペア:

[(1, 51415520), (2, 25707760), (4, 12853880), (5, 10283104), (8, 6426940), (10, 5141552), (13, 3955040), (16, 3213470), (19, 2706080), (20, 2570776), (26, 1977520), (32, 1606735), (38, 1353040), (40, 1285388), (52, 988760), (65, 791008), (76, 676520), (80, 642694), (95, 541216), (104, 494380), (130, 395504), (152, 338260), (160, 321347), (190, 270608), (208, 247190), (247, 208160), (260, 197752), (304, 169130), (380, 135304), (416, 123595), (494, 104080), (520, 98876), (608, 84565), (760, 67652), (988, 52040), (1040, 49438), (1235, 41632), (1301, 39520), (1520, 33826), (1976, 26020), (2080, 24719), (2470, 20816), (2602, 19760), (3040, 16913), (3952, 13010), (4940, 10408), (5204, 9880), (6505, 7904)]