64961240

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{22247}}^1$

素因数の和:22331

約数の個数: 32

約数和(自身を含む): 148171680

約数和(自身を除く): 83210440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 22247, 44494, 88988, 111235, 177976, 222470, 444940, 889880, 1624031, 3248062, 6496124, 8120155, 12992248, 16240310, 32480620, 64961240]

約数ペア:

[(1, 64961240), (2, 32480620), (4, 16240310), (5, 12992248), (8, 8120155), (10, 6496124), (20, 3248062), (40, 1624031), (73, 889880), (146, 444940), (292, 222470), (365, 177976), (584, 111235), (730, 88988), (1460, 44494), (2920, 22247)]