28686580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5807}}^1$

素因数の和:5848

約数の個数: 48

約数和(自身を含む): 68302080

約数和(自身を除く): 39615500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 5807, 11614, 23228, 29035, 58070, 75491, 110333, 116140, 150982, 220666, 301964, 377455, 441332, 551665, 754910, 1103330, 1434329, 1509820, 2206660, 2868658, 5737316, 7171645, 14343290, 28686580]

約数ペア:

[(1, 28686580), (2, 14343290), (4, 7171645), (5, 5737316), (10, 2868658), (13, 2206660), (19, 1509820), (20, 1434329), (26, 1103330), (38, 754910), (52, 551665), (65, 441332), (76, 377455), (95, 301964), (130, 220666), (190, 150982), (247, 116140), (260, 110333), (380, 75491), (494, 58070), (988, 29035), (1235, 23228), (2470, 11614), (4940, 5807)]