136224920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261971}}^1$

素因数の和:261995

約数の個数: 32

約数和(自身を含む): 330084720

約数和(自身を除く): 193859800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 261971, 523942, 1047884, 1309855, 2095768, 2619710, 3405623, 5239420, 6811246, 10478840, 13622492, 17028115, 27244984, 34056230, 68112460, 136224920]

約数ペア:

[(1, 136224920), (2, 68112460), (4, 34056230), (5, 27244984), (8, 17028115), (10, 13622492), (13, 10478840), (20, 6811246), (26, 5239420), (40, 3405623), (52, 2619710), (65, 2095768), (104, 1309855), (130, 1047884), (260, 523942), (520, 261971)]