71883760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69119}}^1$

素因数の和:69145

約数の個数: 40

約数和(自身を含む): 179988480

約数和(自身を除く): 108104720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 69119, 138238, 276476, 345595, 552952, 691190, 898547, 1105904, 1382380, 1797094, 2764760, 3594188, 4492735, 5529520, 7188376, 8985470, 14376752, 17970940, 35941880, 71883760]

約数ペア:

[(1, 71883760), (2, 35941880), (4, 17970940), (5, 14376752), (8, 8985470), (10, 7188376), (13, 5529520), (16, 4492735), (20, 3594188), (26, 2764760), (40, 1797094), (52, 1382380), (65, 1105904), (80, 898547), (104, 691190), (130, 552952), (208, 345595), (260, 276476), (520, 138238), (1040, 69119)]