8025280

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:857

約数の個数: 56

約数和(自身を含む): 19751040

約数和(自身を除く): 11725760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 809, 992, 1240, 1618, 1984, 2480, 3236, 4045, 4960, 6472, 8090, 9920, 12944, 16180, 25079, 25888, 32360, 50158, 51776, 64720, 100316, 125395, 129440, 200632, 250790, 258880, 401264, 501580, 802528, 1003160, 1605056, 2006320, 4012640, 8025280]

約数ペア:

[(1, 8025280), (2, 4012640), (4, 2006320), (5, 1605056), (8, 1003160), (10, 802528), (16, 501580), (20, 401264), (31, 258880), (32, 250790), (40, 200632), (62, 129440), (64, 125395), (80, 100316), (124, 64720), (155, 51776), (160, 50158), (248, 32360), (310, 25888), (320, 25079), (496, 16180), (620, 12944), (809, 9920), (992, 8090), (1240, 6472), (1618, 4960), (1984, 4045), (2480, 3236)]