31801040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12823}}^1$

素因数の和:12867

約数の個数: 40

約数和(自身を含む): 76328448

約数和(自身を除く): 44527408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12823, 25646, 51292, 64115, 102584, 128230, 205168, 256460, 397513, 512920, 795026, 1025840, 1590052, 1987565, 3180104, 3975130, 6360208, 7950260, 15900520, 31801040]

約数ペア:

[(1, 31801040), (2, 15900520), (4, 7950260), (5, 6360208), (8, 3975130), (10, 3180104), (16, 1987565), (20, 1590052), (31, 1025840), (40, 795026), (62, 512920), (80, 397513), (124, 256460), (155, 205168), (248, 128230), (310, 102584), (496, 64115), (620, 51292), (1240, 25646), (2480, 12823)]