1311803200

素因数分解:

$2^6\times 5^2\times {\mathrm{41}}^1\times {\mathrm{19997}}^1$

素因数の和:20060

約数の個数: 84

約数和(自身を含む): 3306749292

約数和(自身を除く): 1994946092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 160, 164, 200, 205, 320, 328, 400, 410, 656, 800, 820, 1025, 1312, 1600, 1640, 2050, 2624, 3280, 4100, 6560, 8200, 13120, 16400, 19997, 32800, 39994, 65600, 79988, 99985, 159976, 199970, 319952, 399940, 499925, 639904, 799880, 819877, 999850, 1279808, 1599760, 1639754, 1999700, 3199520, 3279508, 3999400, 4099385, 6399040, 6559016, 7998800, 8198770, 13118032, 15997600, 16397540, 20496925, 26236064, 31995200, 32795080, 40993850, 52472128, 65590160, 81987700, 131180320, 163975400, 262360640, 327950800, 655901600, 1311803200]

約数ペア:

[(1, 1311803200), (2, 655901600), (4, 327950800), (5, 262360640), (8, 163975400), (10, 131180320), (16, 81987700), (20, 65590160), (25, 52472128), (32, 40993850), (40, 32795080), (41, 31995200), (50, 26236064), (64, 20496925), (80, 16397540), (82, 15997600), (100, 13118032), (160, 8198770), (164, 7998800), (200, 6559016), (205, 6399040), (320, 4099385), (328, 3999400), (400, 3279508), (410, 3199520), (656, 1999700), (800, 1639754), (820, 1599760), (1025, 1279808), (1312, 999850), (1600, 819877), (1640, 799880), (2050, 639904), (2624, 499925), (3280, 399940), (4100, 319952), (6560, 199970), (8200, 159976), (13120, 99985), (16400, 79988), (19997, 65600), (32800, 39994)]