22618460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 48898080

約数和(自身を除く): 26279620

約数列:

[1, 2, 4, 5, 10, 20, 89, 97, 131, 178, 194, 262, 356, 388, 445, 485, 524, 655, 890, 970, 1310, 1780, 1940, 2620, 8633, 11659, 12707, 17266, 23318, 25414, 34532, 43165, 46636, 50828, 58295, 63535, 86330, 116590, 127070, 172660, 233180, 254140, 1130923, 2261846, 4523692, 5654615, 11309230, 22618460]

約数ペア:

[(1, 22618460), (2, 11309230), (4, 5654615), (5, 4523692), (10, 2261846), (20, 1130923), (89, 254140), (97, 233180), (131, 172660), (178, 127070), (194, 116590), (262, 86330), (356, 63535), (388, 58295), (445, 50828), (485, 46636), (524, 43165), (655, 34532), (890, 25414), (970, 23318), (1310, 17266), (1780, 12707), (1940, 11659), (2620, 8633)]