326401520

素因数分解:

$2^4\times 5^1\times {\mathrm{739}}^1\times {\mathrm{5521}}^1$

素因数の和:6273

約数の個数: 40

約数和(自身を含む): 760048080

約数和(自身を除く): 433646560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 739, 1478, 2956, 3695, 5521, 5912, 7390, 11042, 11824, 14780, 22084, 27605, 29560, 44168, 55210, 59120, 88336, 110420, 220840, 441680, 4080019, 8160038, 16320076, 20400095, 32640152, 40800190, 65280304, 81600380, 163200760, 326401520]

約数ペア:

[(1, 326401520), (2, 163200760), (4, 81600380), (5, 65280304), (8, 40800190), (10, 32640152), (16, 20400095), (20, 16320076), (40, 8160038), (80, 4080019), (739, 441680), (1478, 220840), (2956, 110420), (3695, 88336), (5521, 59120), (5912, 55210), (7390, 44168), (11042, 29560), (11824, 27605), (14780, 22084)]