65481640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{33409}}^1$

素因数の和:33434

約数の個数: 48

約数和(自身を含む): 171393300

約数和(自身を除く): 105911660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 33409, 66818, 133636, 167045, 233863, 267272, 334090, 467726, 668180, 935452, 1169315, 1336360, 1637041, 1870904, 2338630, 3274082, 4677260, 6548164, 8185205, 9354520, 13096328, 16370410, 32740820, 65481640]

約数ペア:

[(1, 65481640), (2, 32740820), (4, 16370410), (5, 13096328), (7, 9354520), (8, 8185205), (10, 6548164), (14, 4677260), (20, 3274082), (28, 2338630), (35, 1870904), (40, 1637041), (49, 1336360), (56, 1169315), (70, 935452), (98, 668180), (140, 467726), (196, 334090), (245, 267272), (280, 233863), (392, 167045), (490, 133636), (980, 66818), (1960, 33409)]