22420880

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 54639360

約数和(自身を除く): 32218480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 67, 80, 89, 94, 134, 178, 188, 235, 268, 335, 356, 376, 445, 470, 536, 670, 712, 752, 890, 940, 1072, 1340, 1424, 1780, 1880, 2680, 3149, 3560, 3760, 4183, 5360, 5963, 6298, 7120, 8366, 11926, 12596, 15745, 16732, 20915, 23852, 25192, 29815, 31490, 33464, 41830, 47704, 50384, 59630, 62980, 66928, 83660, 95408, 119260, 125960, 167320, 238520, 251920, 280261, 334640, 477040, 560522, 1121044, 1401305, 2242088, 2802610, 4484176, 5605220, 11210440, 22420880]

約数ペア:

[(1, 22420880), (2, 11210440), (4, 5605220), (5, 4484176), (8, 2802610), (10, 2242088), (16, 1401305), (20, 1121044), (40, 560522), (47, 477040), (67, 334640), (80, 280261), (89, 251920), (94, 238520), (134, 167320), (178, 125960), (188, 119260), (235, 95408), (268, 83660), (335, 66928), (356, 62980), (376, 59630), (445, 50384), (470, 47704), (536, 41830), (670, 33464), (712, 31490), (752, 29815), (890, 25192), (940, 23852), (1072, 20915), (1340, 16732), (1424, 15745), (1780, 12596), (1880, 11926), (2680, 8366), (3149, 7120), (3560, 6298), (3760, 5963), (4183, 5360)]