518545040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12161}}^1$

素因数の和:12228

約数の個数: 80

約数和(自身を含む): 1330133616

約数和(自身を除く): 811588576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 2132, 2665, 3280, 4264, 5330, 8528, 10660, 12161, 21320, 24322, 42640, 48644, 60805, 97288, 121610, 158093, 194576, 243220, 316186, 486440, 498601, 632372, 790465, 972880, 997202, 1264744, 1580930, 1994404, 2493005, 2529488, 3161860, 3988808, 4986010, 6323720, 6481813, 7977616, 9972020, 12647440, 12963626, 19944040, 25927252, 32409065, 39888080, 51854504, 64818130, 103709008, 129636260, 259272520, 518545040]

約数ペア:

[(1, 518545040), (2, 259272520), (4, 129636260), (5, 103709008), (8, 64818130), (10, 51854504), (13, 39888080), (16, 32409065), (20, 25927252), (26, 19944040), (40, 12963626), (41, 12647440), (52, 9972020), (65, 7977616), (80, 6481813), (82, 6323720), (104, 4986010), (130, 3988808), (164, 3161860), (205, 2529488), (208, 2493005), (260, 1994404), (328, 1580930), (410, 1264744), (520, 997202), (533, 972880), (656, 790465), (820, 632372), (1040, 498601), (1066, 486440), (1640, 316186), (2132, 243220), (2665, 194576), (3280, 158093), (4264, 121610), (5330, 97288), (8528, 60805), (10660, 48644), (12161, 42640), (21320, 24322)]