68729375

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:813

約数の個数: 40

約数和(自身を含む): 101030160

約数和(自身を除く): 32300785

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 625, 715, 769, 1375, 1625, 3575, 3845, 6875, 8125, 8459, 9997, 17875, 19225, 42295, 49985, 89375, 96125, 109967, 211475, 249925, 480625, 549835, 1057375, 1249625, 2749175, 5286875, 6248125, 13745875, 68729375]

約数ペア:

[(1, 68729375), (5, 13745875), (11, 6248125), (13, 5286875), (25, 2749175), (55, 1249625), (65, 1057375), (125, 549835), (143, 480625), (275, 249925), (325, 211475), (625, 109967), (715, 96125), (769, 89375), (1375, 49985), (1625, 42295), (3575, 19225), (3845, 17875), (6875, 9997), (8125, 8459)]