80408804

素因数分解:

$2^2\times 7^3\times {\mathrm{103}}^1\times {\mathrm{569}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 165984000

約数和(自身を除く): 85575196

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 343, 412, 569, 686, 721, 1138, 1372, 1442, 2276, 2884, 3983, 5047, 7966, 10094, 15932, 20188, 27881, 35329, 55762, 58607, 70658, 111524, 117214, 141316, 195167, 234428, 390334, 410249, 780668, 820498, 1640996, 2871743, 5743486, 11486972, 20102201, 40204402, 80408804]

約数ペア:

[(1, 80408804), (2, 40204402), (4, 20102201), (7, 11486972), (14, 5743486), (28, 2871743), (49, 1640996), (98, 820498), (103, 780668), (196, 410249), (206, 390334), (343, 234428), (412, 195167), (569, 141316), (686, 117214), (721, 111524), (1138, 70658), (1372, 58607), (1442, 55762), (2276, 35329), (2884, 27881), (3983, 20188), (5047, 15932), (7966, 10094)]