259684160

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19793}}^1$

素因数の和:19851

約数の個数: 56

約数和(自身を含む): 633487176

約数和(自身を除く): 373803016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 13120, 19793, 39586, 79172, 98965, 158344, 197930, 316688, 395860, 633376, 791720, 811513, 1266752, 1583440, 1623026, 3166880, 3246052, 4057565, 6333760, 6492104, 8115130, 12984208, 16230260, 25968416, 32460520, 51936832, 64921040, 129842080, 259684160]

約数ペア:

[(1, 259684160), (2, 129842080), (4, 64921040), (5, 51936832), (8, 32460520), (10, 25968416), (16, 16230260), (20, 12984208), (32, 8115130), (40, 6492104), (41, 6333760), (64, 4057565), (80, 3246052), (82, 3166880), (160, 1623026), (164, 1583440), (205, 1266752), (320, 811513), (328, 791720), (410, 633376), (656, 395860), (820, 316688), (1312, 197930), (1640, 158344), (2624, 98965), (3280, 79172), (6560, 39586), (13120, 19793)]