4181000

素因数分解:

$2^3\times 5^3\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 10136880

約数和(自身を除く): 5955880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 113, 125, 148, 185, 200, 226, 250, 296, 370, 452, 500, 565, 740, 904, 925, 1000, 1130, 1480, 1850, 2260, 2825, 3700, 4181, 4520, 4625, 5650, 7400, 8362, 9250, 11300, 14125, 16724, 18500, 20905, 22600, 28250, 33448, 37000, 41810, 56500, 83620, 104525, 113000, 167240, 209050, 418100, 522625, 836200, 1045250, 2090500, 4181000]

約数ペア:

[(1, 4181000), (2, 2090500), (4, 1045250), (5, 836200), (8, 522625), (10, 418100), (20, 209050), (25, 167240), (37, 113000), (40, 104525), (50, 83620), (74, 56500), (100, 41810), (113, 37000), (125, 33448), (148, 28250), (185, 22600), (200, 20905), (226, 18500), (250, 16724), (296, 14125), (370, 11300), (452, 9250), (500, 8362), (565, 7400), (740, 5650), (904, 4625), (925, 4520), (1000, 4181), (1130, 3700), (1480, 2825), (1850, 2260)]