13487980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1657}}^1$

素因数の和:1714

約数の個数: 48

約数和(自身を含む): 31754016

約数和(自身を除く): 18266036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 1657, 2035, 3314, 4070, 6628, 8140, 8285, 16570, 18227, 33140, 36454, 61309, 72908, 91135, 122618, 182270, 245236, 306545, 364540, 613090, 674399, 1226180, 1348798, 2697596, 3371995, 6743990, 13487980]

約数ペア:

[(1, 13487980), (2, 6743990), (4, 3371995), (5, 2697596), (10, 1348798), (11, 1226180), (20, 674399), (22, 613090), (37, 364540), (44, 306545), (55, 245236), (74, 182270), (110, 122618), (148, 91135), (185, 72908), (220, 61309), (370, 36454), (407, 33140), (740, 18227), (814, 16570), (1628, 8285), (1657, 8140), (2035, 6628), (3314, 4070)]