12815140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2143}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 30256128

約数和(自身を除く): 17440988

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2143, 2990, 4286, 5980, 8572, 10715, 21430, 27859, 42860, 49289, 55718, 98578, 111436, 139295, 197156, 246445, 278590, 492890, 557180, 640757, 985780, 1281514, 2563028, 3203785, 6407570, 12815140]

約数ペア:

[(1, 12815140), (2, 6407570), (4, 3203785), (5, 2563028), (10, 1281514), (13, 985780), (20, 640757), (23, 557180), (26, 492890), (46, 278590), (52, 246445), (65, 197156), (92, 139295), (115, 111436), (130, 98578), (230, 55718), (260, 49289), (299, 42860), (460, 27859), (598, 21430), (1196, 10715), (1495, 8572), (2143, 5980), (2990, 4286)]