39906260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 86002560

約数和(自身を除く): 46096300

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 157, 179, 284, 314, 355, 358, 628, 710, 716, 785, 895, 1420, 1570, 1790, 3140, 3580, 11147, 12709, 22294, 25418, 28103, 44588, 50836, 55735, 56206, 63545, 111470, 112412, 127090, 140515, 222940, 254180, 281030, 562060, 1995313, 3990626, 7981252, 9976565, 19953130, 39906260]

約数ペア:

[(1, 39906260), (2, 19953130), (4, 9976565), (5, 7981252), (10, 3990626), (20, 1995313), (71, 562060), (142, 281030), (157, 254180), (179, 222940), (284, 140515), (314, 127090), (355, 112412), (358, 111470), (628, 63545), (710, 56206), (716, 55735), (785, 50836), (895, 44588), (1420, 28103), (1570, 25418), (1790, 22294), (3140, 12709), (3580, 11147)]