201992180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{4597}}^1$

素因数の和:4645

約数の個数: 48

約数和(自身を含む): 459616080

約数和(自身を除く): 257623900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2197, 3380, 4394, 4597, 8788, 9194, 10985, 18388, 21970, 22985, 43940, 45970, 59761, 91940, 119522, 239044, 298805, 597610, 776893, 1195220, 1553786, 3107572, 3884465, 7768930, 10099609, 15537860, 20199218, 40398436, 50498045, 100996090, 201992180]

約数ペア:

[(1, 201992180), (2, 100996090), (4, 50498045), (5, 40398436), (10, 20199218), (13, 15537860), (20, 10099609), (26, 7768930), (52, 3884465), (65, 3107572), (130, 1553786), (169, 1195220), (260, 776893), (338, 597610), (676, 298805), (845, 239044), (1690, 119522), (2197, 91940), (3380, 59761), (4394, 45970), (4597, 43940), (8788, 22985), (9194, 21970), (10985, 18388)]