72723680

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5107}}^1$

素因数の和:5211

約数の個数: 48

約数和(自身を含む): 173774160

約数和(自身を除く): 101050480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5107, 7120, 10214, 14240, 20428, 25535, 40856, 51070, 81712, 102140, 163424, 204280, 408560, 454523, 817120, 909046, 1818092, 2272615, 3636184, 4545230, 7272368, 9090460, 14544736, 18180920, 36361840, 72723680]

約数ペア:

[(1, 72723680), (2, 36361840), (4, 18180920), (5, 14544736), (8, 9090460), (10, 7272368), (16, 4545230), (20, 3636184), (32, 2272615), (40, 1818092), (80, 909046), (89, 817120), (160, 454523), (178, 408560), (356, 204280), (445, 163424), (712, 102140), (890, 81712), (1424, 51070), (1780, 40856), (2848, 25535), (3560, 20428), (5107, 14240), (7120, 10214)]