66388520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{150883}}^1$

素因数の和:150905

約数の個数: 32

約数和(自身を含む): 162954720

約数和(自身を除く): 96566200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 150883, 301766, 603532, 754415, 1207064, 1508830, 1659713, 3017660, 3319426, 6035320, 6638852, 8298565, 13277704, 16597130, 33194260, 66388520]

約数ペア:

[(1, 66388520), (2, 33194260), (4, 16597130), (5, 13277704), (8, 8298565), (10, 6638852), (11, 6035320), (20, 3319426), (22, 3017660), (40, 1659713), (44, 1508830), (55, 1207064), (88, 754415), (110, 603532), (220, 301766), (440, 150883)]