8201375

素因数分解:

$5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 12946752

約数和(自身を除く): 4745377

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 103, 125, 175, 245, 325, 455, 515, 637, 721, 875, 1225, 1339, 1625, 2275, 2575, 3185, 3605, 5047, 6125, 6695, 9373, 11375, 12875, 15925, 18025, 25235, 33475, 46865, 65611, 79625, 90125, 126175, 167375, 234325, 328055, 630875, 1171625, 1640275, 8201375]

約数ペア:

[(1, 8201375), (5, 1640275), (7, 1171625), (13, 630875), (25, 328055), (35, 234325), (49, 167375), (65, 126175), (91, 90125), (103, 79625), (125, 65611), (175, 46865), (245, 33475), (325, 25235), (455, 18025), (515, 15925), (637, 12875), (721, 11375), (875, 9373), (1225, 6695), (1339, 6125), (1625, 5047), (2275, 3605), (2575, 3185)]