15552025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 22391424

約数和(自身を除く): 6839399

約数列:

[1, 5, 17, 23, 25, 37, 43, 85, 115, 185, 215, 391, 425, 575, 629, 731, 851, 925, 989, 1075, 1591, 1955, 3145, 3655, 4255, 4945, 7955, 9775, 14467, 15725, 16813, 18275, 21275, 24725, 27047, 36593, 39775, 72335, 84065, 135235, 182965, 361675, 420325, 622081, 676175, 914825, 3110405, 15552025]

約数ペア:

[(1, 15552025), (5, 3110405), (17, 914825), (23, 676175), (25, 622081), (37, 420325), (43, 361675), (85, 182965), (115, 135235), (185, 84065), (215, 72335), (391, 39775), (425, 36593), (575, 27047), (629, 24725), (731, 21275), (851, 18275), (925, 16813), (989, 15725), (1075, 14467), (1591, 9775), (1955, 7955), (3145, 4945), (3655, 4255)]