40817620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 88397568

約数和(自身を除く): 47579948

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 173, 188, 235, 251, 346, 470, 502, 692, 865, 940, 1004, 1255, 1730, 2510, 3460, 5020, 8131, 11797, 16262, 23594, 32524, 40655, 43423, 47188, 58985, 81310, 86846, 117970, 162620, 173692, 217115, 235940, 434230, 868460, 2040881, 4081762, 8163524, 10204405, 20408810, 40817620]

約数ペア:

[(1, 40817620), (2, 20408810), (4, 10204405), (5, 8163524), (10, 4081762), (20, 2040881), (47, 868460), (94, 434230), (173, 235940), (188, 217115), (235, 173692), (251, 162620), (346, 117970), (470, 86846), (502, 81310), (692, 58985), (865, 47188), (940, 43423), (1004, 40655), (1255, 32524), (1730, 23594), (2510, 16262), (3460, 11797), (5020, 8131)]