126901840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{122021}}^1$

素因数の和:122047

約数の個数: 40

約数和(自身を含む): 317745288

約数和(自身を除く): 190843448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 122021, 244042, 488084, 610105, 976168, 1220210, 1586273, 1952336, 2440420, 3172546, 4880840, 6345092, 7931365, 9761680, 12690184, 15862730, 25380368, 31725460, 63450920, 126901840]

約数ペア:

[(1, 126901840), (2, 63450920), (4, 31725460), (5, 25380368), (8, 15862730), (10, 12690184), (13, 9761680), (16, 7931365), (20, 6345092), (26, 4880840), (40, 3172546), (52, 2440420), (65, 1952336), (80, 1586273), (104, 1220210), (130, 976168), (208, 610105), (260, 488084), (520, 244042), (1040, 122021)]