2116729840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{8599}}^1$

素因数の和:8810

約数の個数: 80

約数和(自身を含む): 5240289600

約数和(自身を除く): 3123559760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 181, 272, 340, 362, 680, 724, 905, 1360, 1448, 1810, 2896, 3077, 3620, 6154, 7240, 8599, 12308, 14480, 15385, 17198, 24616, 30770, 34396, 42995, 49232, 61540, 68792, 85990, 123080, 137584, 146183, 171980, 246160, 292366, 343960, 584732, 687920, 730915, 1169464, 1461830, 1556419, 2338928, 2923660, 3112838, 5847320, 6225676, 7782095, 11694640, 12451352, 15564190, 24902704, 26459123, 31128380, 52918246, 62256760, 105836492, 124513520, 132295615, 211672984, 264591230, 423345968, 529182460, 1058364920, 2116729840]

約数ペア:

[(1, 2116729840), (2, 1058364920), (4, 529182460), (5, 423345968), (8, 264591230), (10, 211672984), (16, 132295615), (17, 124513520), (20, 105836492), (34, 62256760), (40, 52918246), (68, 31128380), (80, 26459123), (85, 24902704), (136, 15564190), (170, 12451352), (181, 11694640), (272, 7782095), (340, 6225676), (362, 5847320), (680, 3112838), (724, 2923660), (905, 2338928), (1360, 1556419), (1448, 1461830), (1810, 1169464), (2896, 730915), (3077, 687920), (3620, 584732), (6154, 343960), (7240, 292366), (8599, 246160), (12308, 171980), (14480, 146183), (15385, 137584), (17198, 123080), (24616, 85990), (30770, 68792), (34396, 61540), (42995, 49232)]