50911280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{397}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 136211520

約数和(自身を除く): 85300240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 229, 280, 397, 458, 560, 794, 916, 1145, 1588, 1603, 1832, 1985, 2290, 2779, 3176, 3206, 3664, 3970, 4580, 5558, 6352, 6412, 7940, 8015, 9160, 11116, 12824, 13895, 15880, 16030, 18320, 22232, 25648, 27790, 31760, 32060, 44464, 55580, 64120, 90913, 111160, 128240, 181826, 222320, 363652, 454565, 636391, 727304, 909130, 1272782, 1454608, 1818260, 2545564, 3181955, 3636520, 5091128, 6363910, 7273040, 10182256, 12727820, 25455640, 50911280]

約数ペア:

[(1, 50911280), (2, 25455640), (4, 12727820), (5, 10182256), (7, 7273040), (8, 6363910), (10, 5091128), (14, 3636520), (16, 3181955), (20, 2545564), (28, 1818260), (35, 1454608), (40, 1272782), (56, 909130), (70, 727304), (80, 636391), (112, 454565), (140, 363652), (229, 222320), (280, 181826), (397, 128240), (458, 111160), (560, 90913), (794, 64120), (916, 55580), (1145, 44464), (1588, 32060), (1603, 31760), (1832, 27790), (1985, 25648), (2290, 22232), (2779, 18320), (3176, 16030), (3206, 15880), (3664, 13895), (3970, 12824), (4580, 11116), (5558, 9160), (6352, 8015), (6412, 7940)]