71646250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{4409}}^1$

素因数の和:4444

約数の個数: 40

約数和(自身を含む): 144656820

約数和(自身を除く): 73010570

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 4409, 8125, 8818, 16250, 22045, 44090, 57317, 110225, 114634, 220450, 286585, 551125, 573170, 1102250, 1432925, 2755625, 2865850, 5511250, 7164625, 14329250, 35823125, 71646250]

約数ペア:

[(1, 71646250), (2, 35823125), (5, 14329250), (10, 7164625), (13, 5511250), (25, 2865850), (26, 2755625), (50, 1432925), (65, 1102250), (125, 573170), (130, 551125), (250, 286585), (325, 220450), (625, 114634), (650, 110225), (1250, 57317), (1625, 44090), (3250, 22045), (4409, 16250), (8125, 8818)]