64719880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55793}}^1$

素因数の和:55833

約数の個数: 32

約数和(自身を含む): 150643800

約数和(自身を除く): 85923920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 55793, 111586, 223172, 278965, 446344, 557930, 1115860, 1617997, 2231720, 3235994, 6471988, 8089985, 12943976, 16179970, 32359940, 64719880]

約数ペア:

[(1, 64719880), (2, 32359940), (4, 16179970), (5, 12943976), (8, 8089985), (10, 6471988), (20, 3235994), (29, 2231720), (40, 1617997), (58, 1115860), (116, 557930), (145, 446344), (232, 278965), (290, 223172), (580, 111586), (1160, 55793)]