38780625

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 80

約数和(自身を含む): 73126592

約数和(自身を除く): 34345967

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 43, 65, 75, 111, 125, 129, 185, 195, 215, 325, 375, 481, 555, 559, 625, 645, 925, 975, 1075, 1443, 1591, 1625, 1677, 1875, 2405, 2775, 2795, 3225, 4625, 4773, 4875, 5375, 7215, 7955, 8125, 8385, 12025, 13875, 13975, 16125, 20683, 23125, 23865, 24375, 26875, 36075, 39775, 41925, 60125, 62049, 69375, 69875, 80625, 103415, 119325, 180375, 198875, 209625, 300625, 310245, 349375, 517075, 596625, 901875, 994375, 1048125, 1551225, 2585375, 2983125, 7756125, 12926875, 38780625]

約数ペア:

[(1, 38780625), (3, 12926875), (5, 7756125), (13, 2983125), (15, 2585375), (25, 1551225), (37, 1048125), (39, 994375), (43, 901875), (65, 596625), (75, 517075), (111, 349375), (125, 310245), (129, 300625), (185, 209625), (195, 198875), (215, 180375), (325, 119325), (375, 103415), (481, 80625), (555, 69875), (559, 69375), (625, 62049), (645, 60125), (925, 41925), (975, 39775), (1075, 36075), (1443, 26875), (1591, 24375), (1625, 23865), (1677, 23125), (1875, 20683), (2405, 16125), (2775, 13975), (2795, 13875), (3225, 12025), (4625, 8385), (4773, 8125), (4875, 7955), (5375, 7215)]