64500790

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2579}}^1$

素因数の和:2688

約数の個数: 32

約数和(自身を含む): 120929760

約数和(自身を除く): 56428970

約数列:

[1, 2, 5, 10, 41, 61, 82, 122, 205, 305, 410, 610, 2501, 2579, 5002, 5158, 12505, 12895, 25010, 25790, 105739, 157319, 211478, 314638, 528695, 786595, 1057390, 1573190, 6450079, 12900158, 32250395, 64500790]

約数ペア:

[(1, 64500790), (2, 32250395), (5, 12900158), (10, 6450079), (41, 1573190), (61, 1057390), (82, 786595), (122, 528695), (205, 314638), (305, 211478), (410, 157319), (610, 105739), (2501, 25790), (2579, 25010), (5002, 12895), (5158, 12505)]