3889802020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{28069}}^1$

素因数の和:28145

約数の個数: 72

約数和(自身を含む): 9061332840

約数和(自身を除く): 5171530820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 169, 205, 260, 338, 410, 533, 676, 820, 845, 1066, 1690, 2132, 2665, 3380, 5330, 6929, 10660, 13858, 27716, 28069, 34645, 56138, 69290, 112276, 138580, 140345, 280690, 364897, 561380, 729794, 1150829, 1459588, 1824485, 2301658, 3648970, 4603316, 4743661, 5754145, 7297940, 9487322, 11508290, 14960777, 18974644, 23016580, 23718305, 29921554, 47436610, 59843108, 74803885, 94873220, 149607770, 194490101, 299215540, 388980202, 777960404, 972450505, 1944901010, 3889802020]

約数ペア:

[(1, 3889802020), (2, 1944901010), (4, 972450505), (5, 777960404), (10, 388980202), (13, 299215540), (20, 194490101), (26, 149607770), (41, 94873220), (52, 74803885), (65, 59843108), (82, 47436610), (130, 29921554), (164, 23718305), (169, 23016580), (205, 18974644), (260, 14960777), (338, 11508290), (410, 9487322), (533, 7297940), (676, 5754145), (820, 4743661), (845, 4603316), (1066, 3648970), (1690, 2301658), (2132, 1824485), (2665, 1459588), (3380, 1150829), (5330, 729794), (6929, 561380), (10660, 364897), (13858, 280690), (27716, 140345), (28069, 138580), (34645, 112276), (56138, 69290)]