10020280

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{631}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 22638240

約数和(自身を除く): 12617960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 631, 794, 1262, 1588, 1985, 2524, 3155, 3176, 3970, 5048, 6310, 7940, 12620, 15880, 25240, 250507, 501014, 1002028, 1252535, 2004056, 2505070, 5010140, 10020280]

約数ペア:

[(1, 10020280), (2, 5010140), (4, 2505070), (5, 2004056), (8, 1252535), (10, 1002028), (20, 501014), (40, 250507), (397, 25240), (631, 15880), (794, 12620), (1262, 7940), (1588, 6310), (1985, 5048), (2524, 3970), (3155, 3176)]