4039938400

素因数分解:

$2^5\times 5^2\times {\mathrm{409}}^1\times {\mathrm{12347}}^1$

素因数の和:12776

約数の個数: 72

約数和(自身を含む): 9887414040

約数和(自身を除く): 5847475640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 409, 800, 818, 1636, 2045, 3272, 4090, 6544, 8180, 10225, 12347, 13088, 16360, 20450, 24694, 32720, 40900, 49388, 61735, 65440, 81800, 98776, 123470, 163600, 197552, 246940, 308675, 327200, 395104, 493880, 617350, 987760, 1234700, 1975520, 2469400, 4938800, 5049923, 9877600, 10099846, 20199692, 25249615, 40399384, 50499230, 80798768, 100998460, 126248075, 161597536, 201996920, 252496150, 403993840, 504992300, 807987680, 1009984600, 2019969200, 4039938400]

約数ペア:

[(1, 4039938400), (2, 2019969200), (4, 1009984600), (5, 807987680), (8, 504992300), (10, 403993840), (16, 252496150), (20, 201996920), (25, 161597536), (32, 126248075), (40, 100998460), (50, 80798768), (80, 50499230), (100, 40399384), (160, 25249615), (200, 20199692), (400, 10099846), (409, 9877600), (800, 5049923), (818, 4938800), (1636, 2469400), (2045, 1975520), (3272, 1234700), (4090, 987760), (6544, 617350), (8180, 493880), (10225, 395104), (12347, 327200), (13088, 308675), (16360, 246940), (20450, 197552), (24694, 163600), (32720, 123470), (40900, 98776), (49388, 81800), (61735, 65440)]