13181875

素因数分解:

$5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 40

約数和(自身を含む): 19793664

約数和(自身を除く): 6611789

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 131, 161, 175, 575, 625, 655, 805, 875, 917, 2875, 3013, 3275, 4025, 4375, 4585, 14375, 15065, 16375, 20125, 21091, 22925, 75325, 81875, 100625, 105455, 114625, 376625, 527275, 573125, 1883125, 2636375, 13181875]

約数ペア:

[(1, 13181875), (5, 2636375), (7, 1883125), (23, 573125), (25, 527275), (35, 376625), (115, 114625), (125, 105455), (131, 100625), (161, 81875), (175, 75325), (575, 22925), (625, 21091), (655, 20125), (805, 16375), (875, 15065), (917, 14375), (2875, 4585), (3013, 4375), (3275, 4025)]