28051140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35963}}^1$

素因数の和:35988

約数の個数: 48

約数和(自身を含む): 84587328

約数和(自身を除く): 56536188

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, 35963, 71926, 107889, 143852, 179815, 215778, 359630, 431556, 467519, 539445, 719260, 935038, 1078890, 1402557, 1870076, 2157780, 2337595, 2805114, 4675190, 5610228, 7012785, 9350380, 14025570, 28051140]

約数ペア:

[(1, 28051140), (2, 14025570), (3, 9350380), (4, 7012785), (5, 5610228), (6, 4675190), (10, 2805114), (12, 2337595), (13, 2157780), (15, 1870076), (20, 1402557), (26, 1078890), (30, 935038), (39, 719260), (52, 539445), (60, 467519), (65, 431556), (78, 359630), (130, 215778), (156, 179815), (195, 143852), (260, 107889), (390, 71926), (780, 35963)]