66307760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26737}}^1$

素因数の和:26781

約数の個数: 40

約数和(自身を含む): 159144576

約数和(自身を除く): 92836816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26737, 53474, 106948, 133685, 213896, 267370, 427792, 534740, 828847, 1069480, 1657694, 2138960, 3315388, 4144235, 6630776, 8288470, 13261552, 16576940, 33153880, 66307760]

約数ペア:

[(1, 66307760), (2, 33153880), (4, 16576940), (5, 13261552), (8, 8288470), (10, 6630776), (16, 4144235), (20, 3315388), (31, 2138960), (40, 1657694), (62, 1069480), (80, 828847), (124, 534740), (155, 427792), (248, 267370), (310, 213896), (496, 133685), (620, 106948), (1240, 53474), (2480, 26737)]