4082720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 10886400

約数和(自身を除く): 6803680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 79, 80, 85, 95, 136, 152, 158, 160, 170, 190, 272, 304, 316, 323, 340, 380, 395, 544, 608, 632, 646, 680, 760, 790, 1264, 1292, 1343, 1360, 1501, 1520, 1580, 1615, 2528, 2584, 2686, 2720, 3002, 3040, 3160, 3230, 5168, 5372, 6004, 6320, 6460, 6715, 7505, 10336, 10744, 12008, 12640, 12920, 13430, 15010, 21488, 24016, 25517, 25840, 26860, 30020, 42976, 48032, 51034, 51680, 53720, 60040, 102068, 107440, 120080, 127585, 204136, 214880, 240160, 255170, 408272, 510340, 816544, 1020680, 2041360, 4082720]

約数ペア:

[(1, 4082720), (2, 2041360), (4, 1020680), (5, 816544), (8, 510340), (10, 408272), (16, 255170), (17, 240160), (19, 214880), (20, 204136), (32, 127585), (34, 120080), (38, 107440), (40, 102068), (68, 60040), (76, 53720), (79, 51680), (80, 51034), (85, 48032), (95, 42976), (136, 30020), (152, 26860), (158, 25840), (160, 25517), (170, 24016), (190, 21488), (272, 15010), (304, 13430), (316, 12920), (323, 12640), (340, 12008), (380, 10744), (395, 10336), (544, 7505), (608, 6715), (632, 6460), (646, 6320), (680, 6004), (760, 5372), (790, 5168), (1264, 3230), (1292, 3160), (1343, 3040), (1360, 3002), (1501, 2720), (1520, 2686), (1580, 2584), (1615, 2528)]