28941320

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10799}}^1$

素因数の和:10877

約数の個数: 32

約数和(自身を含む): 66096000

約数和(自身を除く): 37154680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 10799, 21598, 43196, 53995, 86392, 107990, 215980, 431960, 723533, 1447066, 2894132, 3617665, 5788264, 7235330, 14470660, 28941320]

約数ペア:

[(1, 28941320), (2, 14470660), (4, 7235330), (5, 5788264), (8, 3617665), (10, 2894132), (20, 1447066), (40, 723533), (67, 431960), (134, 215980), (268, 107990), (335, 86392), (536, 53995), (670, 43196), (1340, 21598), (2680, 10799)]