13857517840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{20023}}^1$

素因数の和:20288

約数の個数: 80

約数和(自身を含む): 33162627456

約数和(自身を除く): 19305109616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 211, 328, 410, 422, 656, 820, 844, 1055, 1640, 1688, 2110, 3280, 3376, 4220, 8440, 8651, 16880, 17302, 20023, 34604, 40046, 43255, 69208, 80092, 86510, 100115, 138416, 160184, 173020, 200230, 320368, 346040, 400460, 692080, 800920, 820943, 1601840, 1641886, 3283772, 4104715, 4224853, 6567544, 8209430, 8449706, 13135088, 16418860, 16899412, 21124265, 32837720, 33798824, 42248530, 65675440, 67597648, 84497060, 168994120, 173218973, 337988240, 346437946, 692875892, 866094865, 1385751784, 1732189730, 2771503568, 3464379460, 6928758920, 13857517840]

約数ペア:

[(1, 13857517840), (2, 6928758920), (4, 3464379460), (5, 2771503568), (8, 1732189730), (10, 1385751784), (16, 866094865), (20, 692875892), (40, 346437946), (41, 337988240), (80, 173218973), (82, 168994120), (164, 84497060), (205, 67597648), (211, 65675440), (328, 42248530), (410, 33798824), (422, 32837720), (656, 21124265), (820, 16899412), (844, 16418860), (1055, 13135088), (1640, 8449706), (1688, 8209430), (2110, 6567544), (3280, 4224853), (3376, 4104715), (4220, 3283772), (8440, 1641886), (8651, 1601840), (16880, 820943), (17302, 800920), (20023, 692080), (34604, 400460), (40046, 346040), (43255, 320368), (69208, 200230), (80092, 173020), (86510, 160184), (100115, 138416)]