80249390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19913}}^1$

素因数の和:19964

約数の個数: 32

約数和(自身を含む): 160586496

約数和(自身を除く): 80337106

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 19913, 39826, 99565, 199130, 258869, 517738, 617303, 1234606, 1294345, 2588690, 3086515, 6173030, 8024939, 16049878, 40124695, 80249390]

約数ペア:

[(1, 80249390), (2, 40124695), (5, 16049878), (10, 8024939), (13, 6173030), (26, 3086515), (31, 2588690), (62, 1294345), (65, 1234606), (130, 617303), (155, 517738), (310, 258869), (403, 199130), (806, 99565), (2015, 39826), (4030, 19913)]