4127500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:164

約数の個数: 60

約数和(自身を含む): 9796864

約数和(自身を除く): 5669364

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 127, 130, 250, 254, 260, 325, 500, 508, 625, 635, 650, 1250, 1270, 1300, 1625, 1651, 2500, 2540, 3175, 3250, 3302, 6350, 6500, 6604, 8125, 8255, 12700, 15875, 16250, 16510, 31750, 32500, 33020, 41275, 63500, 79375, 82550, 158750, 165100, 206375, 317500, 412750, 825500, 1031875, 2063750, 4127500]

約数ペア:

[(1, 4127500), (2, 2063750), (4, 1031875), (5, 825500), (10, 412750), (13, 317500), (20, 206375), (25, 165100), (26, 158750), (50, 82550), (52, 79375), (65, 63500), (100, 41275), (125, 33020), (127, 32500), (130, 31750), (250, 16510), (254, 16250), (260, 15875), (325, 12700), (500, 8255), (508, 8125), (625, 6604), (635, 6500), (650, 6350), (1250, 3302), (1270, 3250), (1300, 3175), (1625, 2540), (1651, 2500)]