87406905640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3331}}^1\times {\mathrm{6763}}^1$

素因数の和:10202

約数の個数: 64

約数和(自身を含む): 198782055360

約数和(自身を除く): 111375149720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3331, 3880, 6662, 6763, 13324, 13526, 16655, 26648, 27052, 33310, 33815, 54104, 66620, 67630, 133240, 135260, 270520, 323107, 646214, 656011, 1292428, 1312022, 1615535, 2584856, 2624044, 3231070, 3280055, 5248088, 6462140, 6560110, 12924280, 13120220, 22527553, 26240440, 45055106, 90110212, 112637765, 180220424, 225275530, 450551060, 901102120, 2185172641, 4370345282, 8740690564, 10925863205, 17481381128, 21851726410, 43703452820, 87406905640]

約数ペア:

[(1, 87406905640), (2, 43703452820), (4, 21851726410), (5, 17481381128), (8, 10925863205), (10, 8740690564), (20, 4370345282), (40, 2185172641), (97, 901102120), (194, 450551060), (388, 225275530), (485, 180220424), (776, 112637765), (970, 90110212), (1940, 45055106), (3331, 26240440), (3880, 22527553), (6662, 13120220), (6763, 12924280), (13324, 6560110), (13526, 6462140), (16655, 5248088), (26648, 3280055), (27052, 3231070), (33310, 2624044), (33815, 2584856), (54104, 1615535), (66620, 1312022), (67630, 1292428), (133240, 656011), (135260, 646214), (270520, 323107)]