13340720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4507}}^1$

素因数の和:4557

約数の個数: 40

約数和(自身を含む): 31862544

約数和(自身を除く): 18521824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 4507, 9014, 18028, 22535, 36056, 45070, 72112, 90140, 166759, 180280, 333518, 360560, 667036, 833795, 1334072, 1667590, 2668144, 3335180, 6670360, 13340720]

約数ペア:

[(1, 13340720), (2, 6670360), (4, 3335180), (5, 2668144), (8, 1667590), (10, 1334072), (16, 833795), (20, 667036), (37, 360560), (40, 333518), (74, 180280), (80, 166759), (148, 90140), (185, 72112), (296, 45070), (370, 36056), (592, 22535), (740, 18028), (1480, 9014), (2960, 4507)]