130550920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{829}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 305971200

約数和(自身を除く): 175420280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 829, 1016, 1240, 1270, 1658, 2540, 3316, 3937, 4145, 5080, 6632, 7874, 8290, 15748, 16580, 19685, 25699, 31496, 33160, 39370, 51398, 78740, 102796, 105283, 128495, 157480, 205592, 210566, 256990, 421132, 513980, 526415, 842264, 1027960, 1052830, 2105660, 3263773, 4211320, 6527546, 13055092, 16318865, 26110184, 32637730, 65275460, 130550920]

約数ペア:

[(1, 130550920), (2, 65275460), (4, 32637730), (5, 26110184), (8, 16318865), (10, 13055092), (20, 6527546), (31, 4211320), (40, 3263773), (62, 2105660), (124, 1052830), (127, 1027960), (155, 842264), (248, 526415), (254, 513980), (310, 421132), (508, 256990), (620, 210566), (635, 205592), (829, 157480), (1016, 128495), (1240, 105283), (1270, 102796), (1658, 78740), (2540, 51398), (3316, 39370), (3937, 33160), (4145, 31496), (5080, 25699), (6632, 19685), (7874, 16580), (8290, 15748)]