79721850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{40883}}^1$

素因数の和:40911

約数の個数: 48

約数和(自身を含む): 212923872

約数和(自身を除く): 133202022

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 40883, 81766, 122649, 204415, 245298, 408830, 531479, 613245, 1022075, 1062958, 1226490, 1594437, 2044150, 2657395, 3066225, 3188874, 5314790, 6132450, 7972185, 13286975, 15944370, 26573950, 39860925, 79721850]

約数ペア:

[(1, 79721850), (2, 39860925), (3, 26573950), (5, 15944370), (6, 13286975), (10, 7972185), (13, 6132450), (15, 5314790), (25, 3188874), (26, 3066225), (30, 2657395), (39, 2044150), (50, 1594437), (65, 1226490), (75, 1062958), (78, 1022075), (130, 613245), (150, 531479), (195, 408830), (325, 245298), (390, 204415), (650, 122649), (975, 81766), (1950, 40883)]