89920220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1091}}^1$

素因数の和:1430

約数の個数: 48

約数和(自身を含む): 204186528

約数和(自身を除く): 114266308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 317, 634, 1091, 1268, 1585, 2182, 3170, 4121, 4364, 5455, 6340, 8242, 10910, 14183, 16484, 20605, 21820, 28366, 41210, 56732, 70915, 82420, 141830, 283660, 345847, 691694, 1383388, 1729235, 3458470, 4496011, 6916940, 8992022, 17984044, 22480055, 44960110, 89920220]

約数ペア:

[(1, 89920220), (2, 44960110), (4, 22480055), (5, 17984044), (10, 8992022), (13, 6916940), (20, 4496011), (26, 3458470), (52, 1729235), (65, 1383388), (130, 691694), (260, 345847), (317, 283660), (634, 141830), (1091, 82420), (1268, 70915), (1585, 56732), (2182, 41210), (3170, 28366), (4121, 21820), (4364, 20605), (5455, 16484), (6340, 14183), (8242, 10910)]