271291280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{260857}}^1$

素因数の和:260883

約数の個数: 40

約数和(自身を含む): 679274232

約数和(自身を除く): 407982952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 260857, 521714, 1043428, 1304285, 2086856, 2608570, 3391141, 4173712, 5217140, 6782282, 10434280, 13564564, 16955705, 20868560, 27129128, 33911410, 54258256, 67822820, 135645640, 271291280]

約数ペア:

[(1, 271291280), (2, 135645640), (4, 67822820), (5, 54258256), (8, 33911410), (10, 27129128), (13, 20868560), (16, 16955705), (20, 13564564), (26, 10434280), (40, 6782282), (52, 5217140), (65, 4173712), (80, 3391141), (104, 2608570), (130, 2086856), (208, 1304285), (260, 1043428), (520, 521714), (1040, 260857)]