55397720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3733}}^1$

素因数の和:3804

約数の個数: 64

約数和(自身を含む): 145177920

約数和(自身を除く): 89780200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 3733, 7420, 7466, 14840, 14932, 18665, 26131, 29864, 37330, 52262, 74660, 104524, 130655, 149320, 197849, 209048, 261310, 395698, 522620, 791396, 989245, 1045240, 1384943, 1582792, 1978490, 2769886, 3956980, 5539772, 6924715, 7913960, 11079544, 13849430, 27698860, 55397720]

約数ペア:

[(1, 55397720), (2, 27698860), (4, 13849430), (5, 11079544), (7, 7913960), (8, 6924715), (10, 5539772), (14, 3956980), (20, 2769886), (28, 1978490), (35, 1582792), (40, 1384943), (53, 1045240), (56, 989245), (70, 791396), (106, 522620), (140, 395698), (212, 261310), (265, 209048), (280, 197849), (371, 149320), (424, 130655), (530, 104524), (742, 74660), (1060, 52262), (1484, 37330), (1855, 29864), (2120, 26131), (2968, 18665), (3710, 14932), (3733, 14840), (7420, 7466)]