72435520

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5521}}^1$

素因数の和:5579

約数の個数: 56

約数和(自身を含む): 176726088

約数和(自身を除く): 104290568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 5521, 6560, 11042, 13120, 22084, 27605, 44168, 55210, 88336, 110420, 176672, 220840, 226361, 353344, 441680, 452722, 883360, 905444, 1131805, 1766720, 1810888, 2263610, 3621776, 4527220, 7243552, 9054440, 14487104, 18108880, 36217760, 72435520]

約数ペア:

[(1, 72435520), (2, 36217760), (4, 18108880), (5, 14487104), (8, 9054440), (10, 7243552), (16, 4527220), (20, 3621776), (32, 2263610), (40, 1810888), (41, 1766720), (64, 1131805), (80, 905444), (82, 883360), (160, 452722), (164, 441680), (205, 353344), (320, 226361), (328, 220840), (410, 176672), (656, 110420), (820, 88336), (1312, 55210), (1640, 44168), (2624, 27605), (3280, 22084), (5521, 13120), (6560, 11042)]