665526940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{4217}}^1$

素因数の和:4846

約数の個数: 48

約数和(自身を含む): 1507951872

約数和(自身を除く): 842424932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 607, 1214, 2428, 3035, 4217, 6070, 7891, 8434, 12140, 15782, 16868, 21085, 31564, 39455, 42170, 54821, 78910, 84340, 109642, 157820, 219284, 274105, 548210, 1096420, 2559719, 5119438, 10238876, 12798595, 25597190, 33276347, 51194380, 66552694, 133105388, 166381735, 332763470, 665526940]

約数ペア:

[(1, 665526940), (2, 332763470), (4, 166381735), (5, 133105388), (10, 66552694), (13, 51194380), (20, 33276347), (26, 25597190), (52, 12798595), (65, 10238876), (130, 5119438), (260, 2559719), (607, 1096420), (1214, 548210), (2428, 274105), (3035, 219284), (4217, 157820), (6070, 109642), (7891, 84340), (8434, 78910), (12140, 54821), (15782, 42170), (16868, 39455), (21085, 31564)]