28915160

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{907}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 65212560

約数和(自身を除く): 36297400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 907, 1594, 1814, 3188, 3628, 3985, 4535, 6376, 7256, 7970, 9070, 15940, 18140, 31880, 36280, 722879, 1445758, 2891516, 3614395, 5783032, 7228790, 14457580, 28915160]

約数ペア:

[(1, 28915160), (2, 14457580), (4, 7228790), (5, 5783032), (8, 3614395), (10, 2891516), (20, 1445758), (40, 722879), (797, 36280), (907, 31880), (1594, 18140), (1814, 15940), (3188, 9070), (3628, 7970), (3985, 7256), (4535, 6376)]