66303080

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{2243}}^1$

素因数の和:2993

約数の個数: 32

約数和(自身を含む): 149450400

約数和(自身を除く): 83147320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2243, 2956, 3695, 4486, 5912, 7390, 8972, 11215, 14780, 17944, 22430, 29560, 44860, 89720, 1657577, 3315154, 6630308, 8287885, 13260616, 16575770, 33151540, 66303080]

約数ペア:

[(1, 66303080), (2, 33151540), (4, 16575770), (5, 13260616), (8, 8287885), (10, 6630308), (20, 3315154), (40, 1657577), (739, 89720), (1478, 44860), (2243, 29560), (2956, 22430), (3695, 17944), (4486, 14780), (5912, 11215), (7390, 8972)]