3945947370625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2417}}^1\times {\mathrm{2999}}^1$

素因数の和:5516

約数の個数: 80

約数和(自身を含む): 5393436048000

約数和(自身を除く): 1447488677375

約数列:

[1, 5, 13, 25, 65, 67, 125, 325, 335, 625, 871, 1625, 1675, 2417, 2999, 4355, 8125, 8375, 12085, 14995, 21775, 31421, 38987, 41875, 60425, 74975, 108875, 157105, 161939, 194935, 200933, 302125, 374875, 544375, 785525, 809695, 974675, 1004665, 1510625, 1874375, 2105207, 2612129, 3927625, 4048475, 4873375, 5023325, 7248583, 10526035, 13060645, 19638125, 20242375, 24366875, 25116625, 36242915, 52630175, 65303225, 94231579, 101211875, 125583125, 181214575, 263150875, 326516125, 471157895, 485655061, 906072875, 1315754375, 1632580625, 2355789475, 2428275305, 4530364375, 6313515793, 11778947375, 12141376525, 31567578965, 58894736875, 60706882625, 157837894825, 303534413125, 789189474125, 3945947370625]

約数ペア:

[(1, 3945947370625), (5, 789189474125), (13, 303534413125), (25, 157837894825), (65, 60706882625), (67, 58894736875), (125, 31567578965), (325, 12141376525), (335, 11778947375), (625, 6313515793), (871, 4530364375), (1625, 2428275305), (1675, 2355789475), (2417, 1632580625), (2999, 1315754375), (4355, 906072875), (8125, 485655061), (8375, 471157895), (12085, 326516125), (14995, 263150875), (21775, 181214575), (31421, 125583125), (38987, 101211875), (41875, 94231579), (60425, 65303225), (74975, 52630175), (108875, 36242915), (157105, 25116625), (161939, 24366875), (194935, 20242375), (200933, 19638125), (302125, 13060645), (374875, 10526035), (544375, 7248583), (785525, 5023325), (809695, 4873375), (974675, 4048475), (1004665, 3927625), (1510625, 2612129), (1874375, 2105207)]