1995009920

素因数分解:

$2^7\times 5^1\times {\mathrm{3117203}}^1$

素因数の和:3117222

約数の個数: 32

約数和(自身を含む): 4769322120

約数和(自身を除く): 2774312200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3117203, 6234406, 12468812, 15586015, 24937624, 31172030, 49875248, 62344060, 99750496, 124688120, 199500992, 249376240, 399001984, 498752480, 997504960, 1995009920]

約数ペア:

[(1, 1995009920), (2, 997504960), (4, 498752480), (5, 399001984), (8, 249376240), (10, 199500992), (16, 124688120), (20, 99750496), (32, 62344060), (40, 49875248), (64, 31172030), (80, 24937624), (128, 15586015), (160, 12468812), (320, 6234406), (640, 3117203)]