51697360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4519}}^1$

素因数の和:4556

約数の個数: 80

約数和(自身を含む): 141240960

約数和(自身を除く): 89543600

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 4519, 5720, 9038, 11440, 18076, 22595, 36152, 45190, 49709, 58747, 72304, 90380, 99418, 117494, 180760, 198836, 234988, 248545, 293735, 361520, 397672, 469976, 497090, 587470, 646217, 795344, 939952, 994180, 1174940, 1292434, 1988360, 2349880, 2584868, 3231085, 3976720, 4699760, 5169736, 6462170, 10339472, 12924340, 25848680, 51697360]

約数ペア:

[(1, 51697360), (2, 25848680), (4, 12924340), (5, 10339472), (8, 6462170), (10, 5169736), (11, 4699760), (13, 3976720), (16, 3231085), (20, 2584868), (22, 2349880), (26, 1988360), (40, 1292434), (44, 1174940), (52, 994180), (55, 939952), (65, 795344), (80, 646217), (88, 587470), (104, 497090), (110, 469976), (130, 397672), (143, 361520), (176, 293735), (208, 248545), (220, 234988), (260, 198836), (286, 180760), (440, 117494), (520, 99418), (572, 90380), (715, 72304), (880, 58747), (1040, 49709), (1144, 45190), (1430, 36152), (2288, 22595), (2860, 18076), (4519, 11440), (5720, 9038)]