66705580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{9239}}^1$

素因数の和:9286

約数の個数: 36

約数和(自身を含む): 147858480

約数和(自身を除く): 81152900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 9239, 18478, 36956, 46195, 92390, 175541, 184780, 351082, 702164, 877705, 1755410, 3335279, 3510820, 6670558, 13341116, 16676395, 33352790, 66705580]

約数ペア:

[(1, 66705580), (2, 33352790), (4, 16676395), (5, 13341116), (10, 6670558), (19, 3510820), (20, 3335279), (38, 1755410), (76, 877705), (95, 702164), (190, 351082), (361, 184780), (380, 175541), (722, 92390), (1444, 46195), (1805, 36956), (3610, 18478), (7220, 9239)]