80479420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{2137}}^1$

素因数の和:2422

約数の個数: 48

約数和(自身を含む): 193959360

約数和(自身を除く): 113479940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 269, 538, 1076, 1345, 1883, 2137, 2690, 3766, 4274, 5380, 7532, 8548, 9415, 10685, 14959, 18830, 21370, 29918, 37660, 42740, 59836, 74795, 149590, 299180, 574853, 1149706, 2299412, 2874265, 4023971, 5748530, 8047942, 11497060, 16095884, 20119855, 40239710, 80479420]

約数ペア:

[(1, 80479420), (2, 40239710), (4, 20119855), (5, 16095884), (7, 11497060), (10, 8047942), (14, 5748530), (20, 4023971), (28, 2874265), (35, 2299412), (70, 1149706), (140, 574853), (269, 299180), (538, 149590), (1076, 74795), (1345, 59836), (1883, 42740), (2137, 37660), (2690, 29918), (3766, 21370), (4274, 18830), (5380, 14959), (7532, 10685), (8548, 9415)]