129077360

素因数分解:

$2^4\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2557}}^1$

素因数の和:3201

約数の個数: 40

約数和(自身を含む): 300698016

約数和(自身を除く): 171620656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 631, 1262, 2524, 2557, 3155, 5048, 5114, 6310, 10096, 10228, 12620, 12785, 20456, 25240, 25570, 40912, 50480, 51140, 102280, 204560, 1613467, 3226934, 6453868, 8067335, 12907736, 16134670, 25815472, 32269340, 64538680, 129077360]

約数ペア:

[(1, 129077360), (2, 64538680), (4, 32269340), (5, 25815472), (8, 16134670), (10, 12907736), (16, 8067335), (20, 6453868), (40, 3226934), (80, 1613467), (631, 204560), (1262, 102280), (2524, 51140), (2557, 50480), (3155, 40912), (5048, 25570), (5114, 25240), (6310, 20456), (10096, 12785), (10228, 12620)]