13208666620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{23857}}^1$

素因数の和:23963

約数の個数: 96

約数和(自身を含む): 30782545920

約数和(自身を除く): 17573879300

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 47, 62, 76, 94, 95, 124, 155, 188, 190, 235, 310, 380, 470, 589, 620, 893, 940, 1178, 1457, 1786, 2356, 2914, 2945, 3572, 4465, 5828, 5890, 7285, 8930, 11780, 14570, 17860, 23857, 27683, 29140, 47714, 55366, 95428, 110732, 119285, 138415, 238570, 276830, 453283, 477140, 553660, 739567, 906566, 1121279, 1479134, 1813132, 2242558, 2266415, 2958268, 3697835, 4485116, 4532830, 5606395, 7395670, 9065660, 11212790, 14051773, 14791340, 21304301, 22425580, 28103546, 34759649, 42608602, 56207092, 69519298, 70258865, 85217204, 106521505, 139038596, 140517730, 173798245, 213043010, 281035460, 347596490, 426086020, 660433331, 695192980, 1320866662, 2641733324, 3302166655, 6604333310, 13208666620]

約数ペア:

[(1, 13208666620), (2, 6604333310), (4, 3302166655), (5, 2641733324), (10, 1320866662), (19, 695192980), (20, 660433331), (31, 426086020), (38, 347596490), (47, 281035460), (62, 213043010), (76, 173798245), (94, 140517730), (95, 139038596), (124, 106521505), (155, 85217204), (188, 70258865), (190, 69519298), (235, 56207092), (310, 42608602), (380, 34759649), (470, 28103546), (589, 22425580), (620, 21304301), (893, 14791340), (940, 14051773), (1178, 11212790), (1457, 9065660), (1786, 7395670), (2356, 5606395), (2914, 4532830), (2945, 4485116), (3572, 3697835), (4465, 2958268), (5828, 2266415), (5890, 2242558), (7285, 1813132), (8930, 1479134), (11780, 1121279), (14570, 906566), (17860, 739567), (23857, 553660), (27683, 477140), (29140, 453283), (47714, 276830), (55366, 238570), (95428, 138415), (110732, 119285)]