403221520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3557}}^1$

素因数の和:3692

約数の個数: 80

約数和(自身を含む): 1019153520

約数和(自身を除く): 615932000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 109, 130, 208, 218, 260, 436, 520, 545, 872, 1040, 1090, 1417, 1744, 2180, 2834, 3557, 4360, 5668, 7085, 7114, 8720, 11336, 14170, 14228, 17785, 22672, 28340, 28456, 35570, 46241, 56680, 56912, 71140, 92482, 113360, 142280, 184964, 231205, 284560, 369928, 387713, 462410, 739856, 775426, 924820, 1550852, 1849640, 1938565, 3101704, 3699280, 3877130, 5040269, 6203408, 7754260, 10080538, 15508520, 20161076, 25201345, 31017040, 40322152, 50402690, 80644304, 100805380, 201610760, 403221520]

約数ペア:

[(1, 403221520), (2, 201610760), (4, 100805380), (5, 80644304), (8, 50402690), (10, 40322152), (13, 31017040), (16, 25201345), (20, 20161076), (26, 15508520), (40, 10080538), (52, 7754260), (65, 6203408), (80, 5040269), (104, 3877130), (109, 3699280), (130, 3101704), (208, 1938565), (218, 1849640), (260, 1550852), (436, 924820), (520, 775426), (545, 739856), (872, 462410), (1040, 387713), (1090, 369928), (1417, 284560), (1744, 231205), (2180, 184964), (2834, 142280), (3557, 113360), (4360, 92482), (5668, 71140), (7085, 56912), (7114, 56680), (8720, 46241), (11336, 35570), (14170, 28456), (14228, 28340), (17785, 22672)]