252937360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{243209}}^1$

素因数の和:243235

約数の個数: 40

約数和(自身を含む): 633318840

約数和(自身を除く): 380381480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 243209, 486418, 972836, 1216045, 1945672, 2432090, 3161717, 3891344, 4864180, 6323434, 9728360, 12646868, 15808585, 19456720, 25293736, 31617170, 50587472, 63234340, 126468680, 252937360]

約数ペア:

[(1, 252937360), (2, 126468680), (4, 63234340), (5, 50587472), (8, 31617170), (10, 25293736), (13, 19456720), (16, 15808585), (20, 12646868), (26, 9728360), (40, 6323434), (52, 4864180), (65, 3891344), (80, 3161717), (104, 2432090), (130, 1945672), (208, 1216045), (260, 972836), (520, 486418), (1040, 243209)]