63720520

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{9539}}^1$

素因数の和:9717

約数の個数: 32

約数和(自身を含む): 144244800

約数和(自身を除く): 80524280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 9539, 19078, 38156, 47695, 76312, 95390, 190780, 381560, 1593013, 3186026, 6372052, 7965065, 12744104, 15930130, 31860260, 63720520]

約数ペア:

[(1, 63720520), (2, 31860260), (4, 15930130), (5, 12744104), (8, 7965065), (10, 6372052), (20, 3186026), (40, 1593013), (167, 381560), (334, 190780), (668, 95390), (835, 76312), (1336, 47695), (1670, 38156), (3340, 19078), (6680, 9539)]