266778560

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26893}}^1$

素因数の和:26941

約数の個数: 56

約数和(自身を含む): 655783296

約数和(自身を除く): 389004736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 26893, 53786, 107572, 134465, 215144, 268930, 430288, 537860, 833683, 860576, 1075720, 1667366, 1721152, 2151440, 3334732, 4168415, 4302880, 6669464, 8336830, 8605760, 13338928, 16673660, 26677856, 33347320, 53355712, 66694640, 133389280, 266778560]

約数ペア:

[(1, 266778560), (2, 133389280), (4, 66694640), (5, 53355712), (8, 33347320), (10, 26677856), (16, 16673660), (20, 13338928), (31, 8605760), (32, 8336830), (40, 6669464), (62, 4302880), (64, 4168415), (80, 3334732), (124, 2151440), (155, 1721152), (160, 1667366), (248, 1075720), (310, 860576), (320, 833683), (496, 537860), (620, 430288), (992, 268930), (1240, 215144), (1984, 134465), (2480, 107572), (4960, 53786), (9920, 26893)]