8162320

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:667

約数の個数: 40

約数和(自身を含む): 19099224

約数和(自身を除く): 10936904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 397, 514, 794, 1028, 1285, 1588, 1985, 2056, 2570, 3176, 3970, 4112, 5140, 6352, 7940, 10280, 15880, 20560, 31760, 102029, 204058, 408116, 510145, 816232, 1020290, 1632464, 2040580, 4081160, 8162320]

約数ペア:

[(1, 8162320), (2, 4081160), (4, 2040580), (5, 1632464), (8, 1020290), (10, 816232), (16, 510145), (20, 408116), (40, 204058), (80, 102029), (257, 31760), (397, 20560), (514, 15880), (794, 10280), (1028, 7940), (1285, 6352), (1588, 5140), (1985, 4112), (2056, 3970), (2570, 3176)]