65723120

素因数分解:

$2^4\times 5^1\times {\mathrm{829}}^1\times {\mathrm{991}}^1$

素因数の和:1833

約数の個数: 40

約数和(自身を含む): 153144960

約数和(自身を除く): 87421840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 829, 991, 1658, 1982, 3316, 3964, 4145, 4955, 6632, 7928, 8290, 9910, 13264, 15856, 16580, 19820, 33160, 39640, 66320, 79280, 821539, 1643078, 3286156, 4107695, 6572312, 8215390, 13144624, 16430780, 32861560, 65723120]

約数ペア:

[(1, 65723120), (2, 32861560), (4, 16430780), (5, 13144624), (8, 8215390), (10, 6572312), (16, 4107695), (20, 3286156), (40, 1643078), (80, 821539), (829, 79280), (991, 66320), (1658, 39640), (1982, 33160), (3316, 19820), (3964, 16580), (4145, 15856), (4955, 13264), (6632, 9910), (7928, 8290)]