28200875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{577}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 38952576

約数和(自身を除く): 10751701

約数列:

[1, 5, 17, 23, 25, 85, 115, 125, 391, 425, 575, 577, 1955, 2125, 2875, 2885, 9775, 9809, 13271, 14425, 48875, 49045, 66355, 72125, 225607, 245225, 331775, 1128035, 1226125, 1658875, 5640175, 28200875]

約数ペア:

[(1, 28200875), (5, 5640175), (17, 1658875), (23, 1226125), (25, 1128035), (85, 331775), (115, 245225), (125, 225607), (391, 72125), (425, 66355), (575, 49045), (577, 48875), (1955, 14425), (2125, 13271), (2875, 9809), (2885, 9775)]