20070972640

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{983}}^1\times {\mathrm{3449}}^1$

素因数の和:4484

約数の個数: 96

約数和(自身を含む): 48762907200

約数和(自身を除く): 28691934560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 983, 1184, 1480, 1966, 2960, 3449, 3932, 4915, 5920, 6898, 7864, 9830, 13796, 15728, 17245, 19660, 27592, 31456, 34490, 36371, 39320, 55184, 68980, 72742, 78640, 110368, 127613, 137960, 145484, 157280, 181855, 255226, 275920, 290968, 363710, 510452, 551840, 581936, 638065, 727420, 1020904, 1163872, 1276130, 1454840, 2041808, 2552260, 2909680, 3390367, 4083616, 5104520, 5819360, 6780734, 10209040, 13561468, 16951835, 20418080, 27122936, 33903670, 54245872, 67807340, 108491744, 125443579, 135614680, 250887158, 271229360, 501774316, 542458720, 627217895, 1003548632, 1254435790, 2007097264, 2508871580, 4014194528, 5017743160, 10035486320, 20070972640]

約数ペア:

[(1, 20070972640), (2, 10035486320), (4, 5017743160), (5, 4014194528), (8, 2508871580), (10, 2007097264), (16, 1254435790), (20, 1003548632), (32, 627217895), (37, 542458720), (40, 501774316), (74, 271229360), (80, 250887158), (148, 135614680), (160, 125443579), (185, 108491744), (296, 67807340), (370, 54245872), (592, 33903670), (740, 27122936), (983, 20418080), (1184, 16951835), (1480, 13561468), (1966, 10209040), (2960, 6780734), (3449, 5819360), (3932, 5104520), (4915, 4083616), (5920, 3390367), (6898, 2909680), (7864, 2552260), (9830, 2041808), (13796, 1454840), (15728, 1276130), (17245, 1163872), (19660, 1020904), (27592, 727420), (31456, 638065), (34490, 581936), (36371, 551840), (39320, 510452), (55184, 363710), (68980, 290968), (72742, 275920), (78640, 255226), (110368, 181855), (127613, 157280), (137960, 145484)]