26490080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9739}}^1$

素因数の和:9771

約数の個数: 48

約数和(自身を含む): 66270960

約数和(自身を除く): 39780880

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, 1360, 2720, 9739, 19478, 38956, 48695, 77912, 97390, 155824, 165563, 194780, 311648, 331126, 389560, 662252, 779120, 827815, 1324504, 1558240, 1655630, 2649008, 3311260, 5298016, 6622520, 13245040, 26490080]

約数ペア:

[(1, 26490080), (2, 13245040), (4, 6622520), (5, 5298016), (8, 3311260), (10, 2649008), (16, 1655630), (17, 1558240), (20, 1324504), (32, 827815), (34, 779120), (40, 662252), (68, 389560), (80, 331126), (85, 311648), (136, 194780), (160, 165563), (170, 155824), (272, 97390), (340, 77912), (544, 48695), (680, 38956), (1360, 19478), (2720, 9739)]