64303760

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{13177}}^1$

素因数の和:13251

約数の個数: 40

約数和(自身を含む): 151968696

約数和(自身を除く): 87664936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 13177, 26354, 52708, 65885, 105416, 131770, 210832, 263540, 527080, 803797, 1054160, 1607594, 3215188, 4018985, 6430376, 8037970, 12860752, 16075940, 32151880, 64303760]

約数ペア:

[(1, 64303760), (2, 32151880), (4, 16075940), (5, 12860752), (8, 8037970), (10, 6430376), (16, 4018985), (20, 3215188), (40, 1607594), (61, 1054160), (80, 803797), (122, 527080), (244, 263540), (305, 210832), (488, 131770), (610, 105416), (976, 65885), (1220, 52708), (2440, 26354), (4880, 13177)]