63636820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{787}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 144563328

約数和(自身を除く): 80926508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311, 622, 787, 1244, 1555, 1574, 3110, 3148, 3935, 4043, 6220, 7870, 8086, 10231, 15740, 16172, 20215, 20462, 40430, 40924, 51155, 80860, 102310, 204620, 244757, 489514, 979028, 1223785, 2447570, 3181841, 4895140, 6363682, 12727364, 15909205, 31818410, 63636820]

約数ペア:

[(1, 63636820), (2, 31818410), (4, 15909205), (5, 12727364), (10, 6363682), (13, 4895140), (20, 3181841), (26, 2447570), (52, 1223785), (65, 979028), (130, 489514), (260, 244757), (311, 204620), (622, 102310), (787, 80860), (1244, 51155), (1555, 40924), (1574, 40430), (3110, 20462), (3148, 20215), (3935, 16172), (4043, 15740), (6220, 10231), (7870, 8086)]