2011855820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{455171}}^1$

素因数の和:455210

約数の個数: 48

約数和(自身を含む): 4817540448

約数和(自身を除く): 2805684628

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 455171, 910342, 1820684, 2275855, 4551710, 5917223, 7737907, 9103420, 11834446, 15475814, 23668892, 29586115, 30951628, 38689535, 59172230, 77379070, 100592791, 118344460, 154758140, 201185582, 402371164, 502963955, 1005927910, 2011855820]

約数ペア:

[(1, 2011855820), (2, 1005927910), (4, 502963955), (5, 402371164), (10, 201185582), (13, 154758140), (17, 118344460), (20, 100592791), (26, 77379070), (34, 59172230), (52, 38689535), (65, 30951628), (68, 29586115), (85, 23668892), (130, 15475814), (170, 11834446), (221, 9103420), (260, 7737907), (340, 5917223), (442, 4551710), (884, 2275855), (1105, 1820684), (2210, 910342), (4420, 455171)]