2017379440

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{119513}}^1$

素因数の和:119737

約数の個数: 40

約数和(自身を含む): 4712676048

約数和(自身を除く): 2695296608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8440, 16880, 119513, 239026, 478052, 597565, 956104, 1195130, 1912208, 2390260, 4780520, 9561040, 25217243, 50434486, 100868972, 126086215, 201737944, 252172430, 403475888, 504344860, 1008689720, 2017379440]

約数ペア:

[(1, 2017379440), (2, 1008689720), (4, 504344860), (5, 403475888), (8, 252172430), (10, 201737944), (16, 126086215), (20, 100868972), (40, 50434486), (80, 25217243), (211, 9561040), (422, 4780520), (844, 2390260), (1055, 1912208), (1688, 1195130), (2110, 956104), (3376, 597565), (4220, 478052), (8440, 239026), (16880, 119513)]