40155180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51481}}^1$

素因数の和:51506

約数の個数: 48

約数和(自身を含む): 121085664

約数和(自身を除く): 80930484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 51481, 102962, 154443, 205924, 257405, 308886, 514810, 617772, 669253, 772215, 1029620, 1338506, 1544430, 2007759, 2677012, 3088860, 3346265, 4015518, 6692530, 8031036, 10038795, 13385060, 20077590, 40155180]

約数ペア:

[(1, 40155180), (2, 20077590), (3, 13385060), (4, 10038795), (5, 8031036), (6, 6692530), (10, 4015518), (12, 3346265), (13, 3088860), (15, 2677012), (20, 2007759), (26, 1544430), (30, 1338506), (39, 1029620), (52, 772215), (60, 669253), (65, 617772), (78, 514810), (130, 308886), (156, 257405), (195, 205924), (260, 154443), (390, 102962), (780, 51481)]