2080759940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1321}}^1\times {\mathrm{11251}}^1$

素因数の和:12588

約数の個数: 48

約数和(自身を含む): 4998048384

約数和(自身を除く): 2917288444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1321, 2642, 5284, 6605, 9247, 11251, 13210, 18494, 22502, 26420, 36988, 45004, 46235, 56255, 78757, 92470, 112510, 157514, 184940, 225020, 315028, 393785, 787570, 1575140, 14862571, 29725142, 59450284, 74312855, 104037997, 148625710, 208075994, 297251420, 416151988, 520189985, 1040379970, 2080759940]

約数ペア:

[(1, 2080759940), (2, 1040379970), (4, 520189985), (5, 416151988), (7, 297251420), (10, 208075994), (14, 148625710), (20, 104037997), (28, 74312855), (35, 59450284), (70, 29725142), (140, 14862571), (1321, 1575140), (2642, 787570), (5284, 393785), (6605, 315028), (9247, 225020), (11251, 184940), (13210, 157514), (18494, 112510), (22502, 92470), (26420, 78757), (36988, 56255), (45004, 46235)]