13245040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9739}}^1$

素因数の和:9769

約数の個数: 40

約数和(自身を含む): 32609520

約数和(自身を除く): 19364480

約数列:

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

約数ペア:

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