27984580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2909}}^1$

素因数の和:2968

約数の個数: 48

約数和(自身を含む): 65021040

約数和(自身を除く): 37036460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 2909, 4810, 5818, 9620, 11636, 14545, 29090, 37817, 58180, 75634, 107633, 151268, 189085, 215266, 378170, 430532, 538165, 756340, 1076330, 1399229, 2152660, 2798458, 5596916, 6996145, 13992290, 27984580]

約数ペア:

[(1, 27984580), (2, 13992290), (4, 6996145), (5, 5596916), (10, 2798458), (13, 2152660), (20, 1399229), (26, 1076330), (37, 756340), (52, 538165), (65, 430532), (74, 378170), (130, 215266), (148, 189085), (185, 151268), (260, 107633), (370, 75634), (481, 58180), (740, 37817), (962, 29090), (1924, 14545), (2405, 11636), (2909, 9620), (4810, 5818)]