51611820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66169}}^1$

素因数の和:66194

約数の個数: 48

約数和(自身を含む): 155631840

約数和(自身を除く): 104020020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 66169, 132338, 198507, 264676, 330845, 397014, 661690, 794028, 860197, 992535, 1323380, 1720394, 1985070, 2580591, 3440788, 3970140, 4300985, 5161182, 8601970, 10322364, 12902955, 17203940, 25805910, 51611820]

約数ペア:

[(1, 51611820), (2, 25805910), (3, 17203940), (4, 12902955), (5, 10322364), (6, 8601970), (10, 5161182), (12, 4300985), (13, 3970140), (15, 3440788), (20, 2580591), (26, 1985070), (30, 1720394), (39, 1323380), (52, 992535), (60, 860197), (65, 794028), (78, 661690), (130, 397014), (156, 330845), (195, 264676), (260, 198507), (390, 132338), (780, 66169)]