83837780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2539}}^1$

素因数の和:2688

約数の個数: 48

約数和(自身を含む): 191170560

約数和(自身を除く): 107332780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2539, 2540, 3302, 5078, 6604, 8255, 10156, 12695, 16510, 25390, 33007, 33020, 50780, 66014, 132028, 165035, 322453, 330070, 644906, 660140, 1289812, 1612265, 3224530, 4191889, 6449060, 8383778, 16767556, 20959445, 41918890, 83837780]

約数ペア:

[(1, 83837780), (2, 41918890), (4, 20959445), (5, 16767556), (10, 8383778), (13, 6449060), (20, 4191889), (26, 3224530), (52, 1612265), (65, 1289812), (127, 660140), (130, 644906), (254, 330070), (260, 322453), (508, 165035), (635, 132028), (1270, 66014), (1651, 50780), (2539, 33020), (2540, 33007), (3302, 25390), (5078, 16510), (6604, 12695), (8255, 10156)]