5378678920

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{204047}}^1$

素因数の和:204717

約数の個数: 32

約数和(自身を含む): 12120451200

約数和(自身を除く): 6741772280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 5272, 6590, 13180, 26360, 204047, 408094, 816188, 1020235, 1632376, 2040470, 4080940, 8161880, 134466973, 268933946, 537867892, 672334865, 1075735784, 1344669730, 2689339460, 5378678920]

約数ペア:

[(1, 5378678920), (2, 2689339460), (4, 1344669730), (5, 1075735784), (8, 672334865), (10, 537867892), (20, 268933946), (40, 134466973), (659, 8161880), (1318, 4080940), (2636, 2040470), (3295, 1632376), (5272, 1020235), (6590, 816188), (13180, 408094), (26360, 204047)]