129439375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:301

約数の個数: 40

約数和(自身を含む): 177130800

約数和(自身を除く): 47691425

約数列:

[1, 5, 13, 25, 65, 89, 125, 179, 325, 445, 625, 895, 1157, 1625, 2225, 2327, 4475, 5785, 8125, 11125, 11635, 15931, 22375, 28925, 55625, 58175, 79655, 111875, 144625, 207103, 290875, 398275, 723125, 1035515, 1454375, 1991375, 5177575, 9956875, 25887875, 129439375]

約数ペア:

[(1, 129439375), (5, 25887875), (13, 9956875), (25, 5177575), (65, 1991375), (89, 1454375), (125, 1035515), (179, 723125), (325, 398275), (445, 290875), (625, 207103), (895, 144625), (1157, 111875), (1625, 79655), (2225, 58175), (2327, 55625), (4475, 28925), (5785, 22375), (8125, 15931), (11125, 11635)]