57811000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4447}}^1$

素因数の和:4481

約数の個数: 64

約数和(自身を含む): 145716480

約数和(自身を除く): 87905480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 4447, 6500, 8894, 13000, 17788, 22235, 35576, 44470, 57811, 88940, 111175, 115622, 177880, 222350, 231244, 289055, 444700, 462488, 555875, 578110, 889400, 1111750, 1156220, 1445275, 2223500, 2312440, 2890550, 4447000, 5781100, 7226375, 11562200, 14452750, 28905500, 57811000]

約数ペア:

[(1, 57811000), (2, 28905500), (4, 14452750), (5, 11562200), (8, 7226375), (10, 5781100), (13, 4447000), (20, 2890550), (25, 2312440), (26, 2223500), (40, 1445275), (50, 1156220), (52, 1111750), (65, 889400), (100, 578110), (104, 555875), (125, 462488), (130, 444700), (200, 289055), (250, 231244), (260, 222350), (325, 177880), (500, 115622), (520, 111175), (650, 88940), (1000, 57811), (1300, 44470), (1625, 35576), (2600, 22235), (3250, 17788), (4447, 13000), (6500, 8894)]