1960400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1$

素因数の和:73

約数の個数: 90

約数和(自身を含む): 5275890

約数和(自身を除く): 3315490

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 29, 40, 50, 52, 58, 65, 80, 100, 104, 116, 130, 145, 169, 200, 208, 232, 260, 290, 325, 338, 377, 400, 464, 520, 580, 650, 676, 725, 754, 845, 1040, 1160, 1300, 1352, 1450, 1508, 1690, 1885, 2320, 2600, 2704, 2900, 3016, 3380, 3770, 4225, 4901, 5200, 5800, 6032, 6760, 7540, 8450, 9425, 9802, 11600, 13520, 15080, 16900, 18850, 19604, 24505, 30160, 33800, 37700, 39208, 49010, 67600, 75400, 78416, 98020, 122525, 150800, 196040, 245050, 392080, 490100, 980200, 1960400]

約数ペア:

[(1, 1960400), (2, 980200), (4, 490100), (5, 392080), (8, 245050), (10, 196040), (13, 150800), (16, 122525), (20, 98020), (25, 78416), (26, 75400), (29, 67600), (40, 49010), (50, 39208), (52, 37700), (58, 33800), (65, 30160), (80, 24505), (100, 19604), (104, 18850), (116, 16900), (130, 15080), (145, 13520), (169, 11600), (200, 9802), (208, 9425), (232, 8450), (260, 7540), (290, 6760), (325, 6032), (338, 5800), (377, 5200), (400, 4901), (464, 4225), (520, 3770), (580, 3380), (650, 3016), (676, 2900), (725, 2704), (754, 2600), (845, 2320), (1040, 1885), (1160, 1690), (1300, 1508), (1352, 1450)]