31936840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61417}}^1$

素因数の和:61441

約数の個数: 32

約数和(自身を含む): 77386680

約数和(自身を除く): 45449840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 61417, 122834, 245668, 307085, 491336, 614170, 798421, 1228340, 1596842, 2456680, 3193684, 3992105, 6387368, 7984210, 15968420, 31936840]

約数ペア:

[(1, 31936840), (2, 15968420), (4, 7984210), (5, 6387368), (8, 3992105), (10, 3193684), (13, 2456680), (20, 1596842), (26, 1228340), (40, 798421), (52, 614170), (65, 491336), (104, 307085), (130, 245668), (260, 122834), (520, 61417)]