78156980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{6703}}^1$

素因数の和:6776

約数の個数: 48

約数和(自身を含む): 182456064

約数和(自身を除く): 104299084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2915, 5830, 6703, 11660, 13406, 26812, 33515, 67030, 73733, 134060, 147466, 294932, 355259, 368665, 710518, 737330, 1421036, 1474660, 1776295, 3552590, 3907849, 7105180, 7815698, 15631396, 19539245, 39078490, 78156980]

約数ペア:

[(1, 78156980), (2, 39078490), (4, 19539245), (5, 15631396), (10, 7815698), (11, 7105180), (20, 3907849), (22, 3552590), (44, 1776295), (53, 1474660), (55, 1421036), (106, 737330), (110, 710518), (212, 368665), (220, 355259), (265, 294932), (530, 147466), (583, 134060), (1060, 73733), (1166, 67030), (2332, 33515), (2915, 26812), (5830, 13406), (6703, 11660)]