72213880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{58237}}^1$

素因数の和:58279

約数の個数: 32

約数和(自身を含む): 167725440

約数和(自身を除く): 95511560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 58237, 116474, 232948, 291185, 465896, 582370, 1164740, 1805347, 2329480, 3610694, 7221388, 9026735, 14442776, 18053470, 36106940, 72213880]

約数ペア:

[(1, 72213880), (2, 36106940), (4, 18053470), (5, 14442776), (8, 9026735), (10, 7221388), (20, 3610694), (31, 2329480), (40, 1805347), (62, 1164740), (124, 582370), (155, 465896), (248, 291185), (310, 232948), (620, 116474), (1240, 58237)]