20180123870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1\times {\mathrm{10343}}^1$

素因数の和:10889

約数の個数: 64

約数和(自身を含む): 40217472000

約数和(自身を除く): 20037348130

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 499, 782, 998, 1955, 2495, 3910, 4990, 8483, 10343, 11477, 16966, 20686, 22954, 42415, 51715, 57385, 84830, 103430, 114770, 175831, 195109, 237889, 351662, 390218, 475778, 879155, 975545, 1189445, 1758310, 1951090, 2378890, 4044113, 5161157, 8088226, 10322314, 20220565, 25805785, 40441130, 51611570, 87739669, 118706611, 175479338, 237413222, 438698345, 593533055, 877396690, 1187066110, 2018012387, 4036024774, 10090061935, 20180123870]

約数ペア:

[(1, 20180123870), (2, 10090061935), (5, 4036024774), (10, 2018012387), (17, 1187066110), (23, 877396690), (34, 593533055), (46, 438698345), (85, 237413222), (115, 175479338), (170, 118706611), (230, 87739669), (391, 51611570), (499, 40441130), (782, 25805785), (998, 20220565), (1955, 10322314), (2495, 8088226), (3910, 5161157), (4990, 4044113), (8483, 2378890), (10343, 1951090), (11477, 1758310), (16966, 1189445), (20686, 975545), (22954, 879155), (42415, 475778), (51715, 390218), (57385, 351662), (84830, 237889), (103430, 195109), (114770, 175831)]