42939650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2187

約数の個数: 48

約数和(自身を含む): 88827648

約数和(自身を除く): 45887998

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 2131, 4030, 4262, 10075, 10655, 20150, 21310, 27703, 53275, 55406, 66061, 106550, 132122, 138515, 277030, 330305, 660610, 692575, 858793, 1385150, 1651525, 1717586, 3303050, 4293965, 8587930, 21469825, 42939650]

約数ペア:

[(1, 42939650), (2, 21469825), (5, 8587930), (10, 4293965), (13, 3303050), (25, 1717586), (26, 1651525), (31, 1385150), (50, 858793), (62, 692575), (65, 660610), (130, 330305), (155, 277030), (310, 138515), (325, 132122), (403, 106550), (650, 66061), (775, 55406), (806, 53275), (1550, 27703), (2015, 21310), (2131, 20150), (4030, 10655), (4262, 10075)]