89959840

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7919}}^1$

素因数の和:8005

約数の個数: 48

約数和(自身を含む): 215550720

約数和(自身を除く): 125590880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 7919, 11360, 15838, 31676, 39595, 63352, 79190, 126704, 158380, 253408, 316760, 562249, 633520, 1124498, 1267040, 2248996, 2811245, 4497992, 5622490, 8995984, 11244980, 17991968, 22489960, 44979920, 89959840]

約数ペア:

[(1, 89959840), (2, 44979920), (4, 22489960), (5, 17991968), (8, 11244980), (10, 8995984), (16, 5622490), (20, 4497992), (32, 2811245), (40, 2248996), (71, 1267040), (80, 1124498), (142, 633520), (160, 562249), (284, 316760), (355, 253408), (568, 158380), (710, 126704), (1136, 79190), (1420, 63352), (2272, 39595), (2840, 31676), (5680, 15838), (7919, 11360)]