960804920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{12517}}^1$

素因数の和:12648

約数の個数: 64

約数和(自身を含む): 2298304800

約数和(自身を除く): 1337499880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 380, 404, 505, 760, 808, 1010, 1919, 2020, 3838, 4040, 7676, 9595, 12517, 15352, 19190, 25034, 38380, 50068, 62585, 76760, 100136, 125170, 237823, 250340, 475646, 500680, 951292, 1189115, 1264217, 1902584, 2378230, 2528434, 4756460, 5056868, 6321085, 9512920, 10113736, 12642170, 24020123, 25284340, 48040246, 50568680, 96080492, 120100615, 192160984, 240201230, 480402460, 960804920]

約数ペア:

[(1, 960804920), (2, 480402460), (4, 240201230), (5, 192160984), (8, 120100615), (10, 96080492), (19, 50568680), (20, 48040246), (38, 25284340), (40, 24020123), (76, 12642170), (95, 10113736), (101, 9512920), (152, 6321085), (190, 5056868), (202, 4756460), (380, 2528434), (404, 2378230), (505, 1902584), (760, 1264217), (808, 1189115), (1010, 951292), (1919, 500680), (2020, 475646), (3838, 250340), (4040, 237823), (7676, 125170), (9595, 100136), (12517, 76760), (15352, 62585), (19190, 50068), (25034, 38380)]