40639520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:322

約数の個数: 96

約数和(自身を含む): 103638528

約数和(自身を除く): 62999008

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 67, 68, 80, 85, 134, 136, 160, 170, 223, 268, 272, 335, 340, 446, 536, 544, 670, 680, 892, 1072, 1115, 1139, 1340, 1360, 1784, 2144, 2230, 2278, 2680, 2720, 3568, 3791, 4460, 4556, 5360, 5695, 7136, 7582, 8920, 9112, 10720, 11390, 14941, 15164, 17840, 18224, 18955, 22780, 29882, 30328, 35680, 36448, 37910, 45560, 59764, 60656, 74705, 75820, 91120, 119528, 121312, 149410, 151640, 182240, 239056, 253997, 298820, 303280, 478112, 507994, 597640, 606560, 1015988, 1195280, 1269985, 2031976, 2390560, 2539970, 4063952, 5079940, 8127904, 10159880, 20319760, 40639520]

約数ペア:

[(1, 40639520), (2, 20319760), (4, 10159880), (5, 8127904), (8, 5079940), (10, 4063952), (16, 2539970), (17, 2390560), (20, 2031976), (32, 1269985), (34, 1195280), (40, 1015988), (67, 606560), (68, 597640), (80, 507994), (85, 478112), (134, 303280), (136, 298820), (160, 253997), (170, 239056), (223, 182240), (268, 151640), (272, 149410), (335, 121312), (340, 119528), (446, 91120), (536, 75820), (544, 74705), (670, 60656), (680, 59764), (892, 45560), (1072, 37910), (1115, 36448), (1139, 35680), (1340, 30328), (1360, 29882), (1784, 22780), (2144, 18955), (2230, 18224), (2278, 17840), (2680, 15164), (2720, 14941), (3568, 11390), (3791, 10720), (4460, 9112), (4556, 8920), (5360, 7582), (5695, 7136)]