1657183760

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{205097}}^1$

素因数の和:205211

約数の個数: 40

約数和(自身を含む): 3891119256

約数和(自身を除く): 2233935496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 205097, 410194, 820388, 1025485, 1640776, 2050970, 3281552, 4101940, 8203880, 16407760, 20714797, 41429594, 82859188, 103573985, 165718376, 207147970, 331436752, 414295940, 828591880, 1657183760]

約数ペア:

[(1, 1657183760), (2, 828591880), (4, 414295940), (5, 331436752), (8, 207147970), (10, 165718376), (16, 103573985), (20, 82859188), (40, 41429594), (80, 20714797), (101, 16407760), (202, 8203880), (404, 4101940), (505, 3281552), (808, 2050970), (1010, 1640776), (1616, 1025485), (2020, 820388), (4040, 410194), (8080, 205097)]