8140413580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1647857}}^1$

素因数の和:1647898

約数の個数: 48

約数和(自身を含む): 19378810080

約数和(自身を除く): 11238396500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 1647857, 3295714, 6591428, 8239285, 16478570, 21422141, 31309283, 32957140, 42844282, 62618566, 85688564, 107110705, 125237132, 156546415, 214221410, 313092830, 407020679, 428442820, 626185660, 814041358, 1628082716, 2035103395, 4070206790, 8140413580]

約数ペア:

[(1, 8140413580), (2, 4070206790), (4, 2035103395), (5, 1628082716), (10, 814041358), (13, 626185660), (19, 428442820), (20, 407020679), (26, 313092830), (38, 214221410), (52, 156546415), (65, 125237132), (76, 107110705), (95, 85688564), (130, 62618566), (190, 42844282), (247, 32957140), (260, 31309283), (380, 21422141), (494, 16478570), (988, 8239285), (1235, 6591428), (2470, 3295714), (4940, 1647857)]