64352560

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{13187}}^1$

素因数の和:13261

約数の個数: 40

約数和(自身を含む): 152084016

約数和(自身を除く): 87731456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 13187, 26374, 52748, 65935, 105496, 131870, 210992, 263740, 527480, 804407, 1054960, 1608814, 3217628, 4022035, 6435256, 8044070, 12870512, 16088140, 32176280, 64352560]

約数ペア:

[(1, 64352560), (2, 32176280), (4, 16088140), (5, 12870512), (8, 8044070), (10, 6435256), (16, 4022035), (20, 3217628), (40, 1608814), (61, 1054960), (80, 804407), (122, 527480), (244, 263740), (305, 210992), (488, 131870), (610, 105496), (976, 65935), (1220, 52748), (2440, 26374), (4880, 13187)]