15545888900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{443}}^1\times {\mathrm{8161}}^1$

素因数の和:8661

約数の個数: 72

約数和(自身を含む): 34601264544

約数和(自身を除く): 19055375644

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 443, 860, 886, 1075, 1772, 2150, 2215, 4300, 4430, 8161, 8860, 11075, 16322, 19049, 22150, 32644, 38098, 40805, 44300, 76196, 81610, 95245, 163220, 190490, 204025, 350923, 380980, 408050, 476225, 701846, 816100, 952450, 1403692, 1754615, 1904900, 3509230, 3615323, 7018460, 7230646, 8773075, 14461292, 17546150, 18076615, 35092300, 36153230, 72306460, 90383075, 155458889, 180766150, 310917778, 361532300, 621835556, 777294445, 1554588890, 3109177780, 3886472225, 7772944450, 15545888900]

約数ペア:

[(1, 15545888900), (2, 7772944450), (4, 3886472225), (5, 3109177780), (10, 1554588890), (20, 777294445), (25, 621835556), (43, 361532300), (50, 310917778), (86, 180766150), (100, 155458889), (172, 90383075), (215, 72306460), (430, 36153230), (443, 35092300), (860, 18076615), (886, 17546150), (1075, 14461292), (1772, 8773075), (2150, 7230646), (2215, 7018460), (4300, 3615323), (4430, 3509230), (8161, 1904900), (8860, 1754615), (11075, 1403692), (16322, 952450), (19049, 816100), (22150, 701846), (32644, 476225), (38098, 408050), (40805, 380980), (44300, 350923), (76196, 204025), (81610, 190490), (95245, 163220)]