72221320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{58243}}^1$

素因数の和:58285

約数の個数: 32

約数和(自身を含む): 167742720

約数和(自身を除く): 95521400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 58243, 116486, 232972, 291215, 465944, 582430, 1164860, 1805533, 2329720, 3611066, 7222132, 9027665, 14444264, 18055330, 36110660, 72221320]

約数ペア:

[(1, 72221320), (2, 36110660), (4, 18055330), (5, 14444264), (8, 9027665), (10, 7222132), (20, 3611066), (31, 2329720), (40, 1805533), (62, 1164860), (124, 582430), (155, 465944), (248, 291215), (310, 232972), (620, 116486), (1240, 58243)]