28201550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1009}}^1$

素因数の和:1077

約数の個数: 48

約数和(自身を含む): 57860880

約数和(自身を除く): 29659330

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 215, 325, 430, 559, 650, 1009, 1075, 1118, 2018, 2150, 2795, 5045, 5590, 10090, 13117, 13975, 25225, 26234, 27950, 43387, 50450, 65585, 86774, 131170, 216935, 327925, 433870, 564031, 655850, 1084675, 1128062, 2169350, 2820155, 5640310, 14100775, 28201550]

約数ペア:

[(1, 28201550), (2, 14100775), (5, 5640310), (10, 2820155), (13, 2169350), (25, 1128062), (26, 1084675), (43, 655850), (50, 564031), (65, 433870), (86, 327925), (130, 216935), (215, 131170), (325, 86774), (430, 65585), (559, 50450), (650, 43387), (1009, 27950), (1075, 26234), (1118, 25225), (2018, 13975), (2150, 13117), (2795, 10090), (5045, 5590)]