2657440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{977}}^1$

素因数の和:1009

約数の個数: 48

約数和(自身を含む): 6654312

約数和(自身を除く): 3996872

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 977, 1360, 1954, 2720, 3908, 4885, 7816, 9770, 15632, 16609, 19540, 31264, 33218, 39080, 66436, 78160, 83045, 132872, 156320, 166090, 265744, 332180, 531488, 664360, 1328720, 2657440]

約数ペア:

[(1, 2657440), (2, 1328720), (4, 664360), (5, 531488), (8, 332180), (10, 265744), (16, 166090), (17, 156320), (20, 132872), (32, 83045), (34, 78160), (40, 66436), (68, 39080), (80, 33218), (85, 31264), (136, 19540), (160, 16609), (170, 15632), (272, 9770), (340, 7816), (544, 4885), (680, 3908), (977, 2720), (1360, 1954)]