19430800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1567}}^1$

素因数の和:1616

約数の個数: 60

約数和(自身を含む): 48219136

約数和(自身を除く): 28788336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 1567, 2480, 3100, 3134, 6200, 6268, 7835, 12400, 12536, 15670, 25072, 31340, 39175, 48577, 62680, 78350, 97154, 125360, 156700, 194308, 242885, 313400, 388616, 485770, 626800, 777232, 971540, 1214425, 1943080, 2428850, 3886160, 4857700, 9715400, 19430800]

約数ペア:

[(1, 19430800), (2, 9715400), (4, 4857700), (5, 3886160), (8, 2428850), (10, 1943080), (16, 1214425), (20, 971540), (25, 777232), (31, 626800), (40, 485770), (50, 388616), (62, 313400), (80, 242885), (100, 194308), (124, 156700), (155, 125360), (200, 97154), (248, 78350), (310, 62680), (400, 48577), (496, 39175), (620, 31340), (775, 25072), (1240, 15670), (1550, 12536), (1567, 12400), (2480, 7835), (3100, 6268), (3134, 6200)]