91788520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{937}}^1$

素因数の和:1058

約数の個数: 64

約数和(自身を含む): 216115200

約数和(自身を除く): 124326680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 620, 632, 790, 937, 1240, 1580, 1874, 2449, 3160, 3748, 4685, 4898, 7496, 9370, 9796, 12245, 18740, 19592, 24490, 29047, 37480, 48980, 58094, 74023, 97960, 116188, 145235, 148046, 232376, 290470, 296092, 370115, 580940, 592184, 740230, 1161880, 1480460, 2294713, 2960920, 4589426, 9178852, 11473565, 18357704, 22947130, 45894260, 91788520]

約数ペア:

[(1, 91788520), (2, 45894260), (4, 22947130), (5, 18357704), (8, 11473565), (10, 9178852), (20, 4589426), (31, 2960920), (40, 2294713), (62, 1480460), (79, 1161880), (124, 740230), (155, 592184), (158, 580940), (248, 370115), (310, 296092), (316, 290470), (395, 232376), (620, 148046), (632, 145235), (790, 116188), (937, 97960), (1240, 74023), (1580, 58094), (1874, 48980), (2449, 37480), (3160, 29047), (3748, 24490), (4685, 19592), (4898, 18740), (7496, 12245), (9370, 9796)]