78429520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5801}}^1$

素因数の和:5840

約数の個数: 60

約数和(自身を含む): 197488476

約数和(自身を除く): 119058956

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 5801, 6760, 11602, 13520, 23204, 29005, 46408, 58010, 75413, 92816, 116020, 150826, 232040, 301652, 377065, 464080, 603304, 754130, 980369, 1206608, 1508260, 1960738, 3016520, 3921476, 4901845, 6033040, 7842952, 9803690, 15685904, 19607380, 39214760, 78429520]

約数ペア:

[(1, 78429520), (2, 39214760), (4, 19607380), (5, 15685904), (8, 9803690), (10, 7842952), (13, 6033040), (16, 4901845), (20, 3921476), (26, 3016520), (40, 1960738), (52, 1508260), (65, 1206608), (80, 980369), (104, 754130), (130, 603304), (169, 464080), (208, 377065), (260, 301652), (338, 232040), (520, 150826), (676, 116020), (845, 92816), (1040, 75413), (1352, 58010), (1690, 46408), (2704, 29005), (3380, 23204), (5801, 13520), (6760, 11602)]