65525680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3919}}^1$

素因数の和:3962

約数の個数: 80

約数和(自身を含む): 174988800

約数和(自身を除く): 109463120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 3919, 4180, 7838, 8360, 15676, 16720, 19595, 31352, 39190, 43109, 62704, 74461, 78380, 86218, 148922, 156760, 172436, 215545, 297844, 313520, 344872, 372305, 431090, 595688, 689744, 744610, 819071, 862180, 1191376, 1489220, 1638142, 1724360, 2978440, 3276284, 3448720, 4095355, 5956880, 6552568, 8190710, 13105136, 16381420, 32762840, 65525680]

約数ペア:

[(1, 65525680), (2, 32762840), (4, 16381420), (5, 13105136), (8, 8190710), (10, 6552568), (11, 5956880), (16, 4095355), (19, 3448720), (20, 3276284), (22, 2978440), (38, 1724360), (40, 1638142), (44, 1489220), (55, 1191376), (76, 862180), (80, 819071), (88, 744610), (95, 689744), (110, 595688), (152, 431090), (176, 372305), (190, 344872), (209, 313520), (220, 297844), (304, 215545), (380, 172436), (418, 156760), (440, 148922), (760, 86218), (836, 78380), (880, 74461), (1045, 62704), (1520, 43109), (1672, 39190), (2090, 31352), (3344, 19595), (3919, 16720), (4180, 15676), (7838, 8360)]