15890320

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{647}}^1$

素因数の和:967

約数の個数: 40

約数和(自身を含む): 37122624

約数和(自身を除く): 21232304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 647, 1228, 1294, 1535, 2456, 2588, 3070, 3235, 4912, 5176, 6140, 6470, 10352, 12280, 12940, 24560, 25880, 51760, 198629, 397258, 794516, 993145, 1589032, 1986290, 3178064, 3972580, 7945160, 15890320]

約数ペア:

[(1, 15890320), (2, 7945160), (4, 3972580), (5, 3178064), (8, 1986290), (10, 1589032), (16, 993145), (20, 794516), (40, 397258), (80, 198629), (307, 51760), (614, 25880), (647, 24560), (1228, 12940), (1294, 12280), (1535, 10352), (2456, 6470), (2588, 6140), (3070, 5176), (3235, 4912)]