80269760

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3533}}^1$

素因数の和:3621

約数の個数: 56

約数和(自身を含む): 193889376

約数和(自身を除く): 113619616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 3533, 4544, 5680, 7066, 11360, 14132, 17665, 22720, 28264, 35330, 56528, 70660, 113056, 141320, 226112, 250843, 282640, 501686, 565280, 1003372, 1130560, 1254215, 2006744, 2508430, 4013488, 5016860, 8026976, 10033720, 16053952, 20067440, 40134880, 80269760]

約数ペア:

[(1, 80269760), (2, 40134880), (4, 20067440), (5, 16053952), (8, 10033720), (10, 8026976), (16, 5016860), (20, 4013488), (32, 2508430), (40, 2006744), (64, 1254215), (71, 1130560), (80, 1003372), (142, 565280), (160, 501686), (284, 282640), (320, 250843), (355, 226112), (568, 141320), (710, 113056), (1136, 70660), (1420, 56528), (2272, 35330), (2840, 28264), (3533, 22720), (4544, 17665), (5680, 14132), (7066, 11360)]