22571720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 30650680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 109, 124, 155, 167, 218, 248, 310, 334, 436, 545, 620, 668, 835, 872, 1090, 1240, 1336, 1670, 2180, 3340, 3379, 4360, 5177, 6680, 6758, 10354, 13516, 16895, 18203, 20708, 25885, 27032, 33790, 36406, 41416, 51770, 67580, 72812, 91015, 103540, 135160, 145624, 182030, 207080, 364060, 564293, 728120, 1128586, 2257172, 2821465, 4514344, 5642930, 11285860, 22571720]

約数ペア:

[(1, 22571720), (2, 11285860), (4, 5642930), (5, 4514344), (8, 2821465), (10, 2257172), (20, 1128586), (31, 728120), (40, 564293), (62, 364060), (109, 207080), (124, 182030), (155, 145624), (167, 135160), (218, 103540), (248, 91015), (310, 72812), (334, 67580), (436, 51770), (545, 41416), (620, 36406), (668, 33790), (835, 27032), (872, 25885), (1090, 20708), (1240, 18203), (1336, 16895), (1670, 13516), (2180, 10354), (3340, 6758), (3379, 6680), (4360, 5177)]