64753760

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9871}}^1$

素因数の和:9927

約数の個数: 48

約数和(自身を含む): 156727872

約数和(自身を除く): 91974112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 9871, 19742, 39484, 49355, 78968, 98710, 157936, 197420, 315872, 394840, 404711, 789680, 809422, 1579360, 1618844, 2023555, 3237688, 4047110, 6475376, 8094220, 12950752, 16188440, 32376880, 64753760]

約数ペア:

[(1, 64753760), (2, 32376880), (4, 16188440), (5, 12950752), (8, 8094220), (10, 6475376), (16, 4047110), (20, 3237688), (32, 2023555), (40, 1618844), (41, 1579360), (80, 809422), (82, 789680), (160, 404711), (164, 394840), (205, 315872), (328, 197420), (410, 157936), (656, 98710), (820, 78968), (1312, 49355), (1640, 39484), (3280, 19742), (6560, 9871)]