204066640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{829}}^1$

素因数の和:1040

約数の個数: 80

約数和(自身を含む): 505748880

約数和(自身を除く): 301682240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 181, 272, 340, 362, 680, 724, 829, 905, 1360, 1448, 1658, 1810, 2896, 3077, 3316, 3620, 4145, 6154, 6632, 7240, 8290, 12308, 13264, 14093, 14480, 15385, 16580, 24616, 28186, 30770, 33160, 49232, 56372, 61540, 66320, 70465, 112744, 123080, 140930, 150049, 225488, 246160, 281860, 300098, 563720, 600196, 750245, 1127440, 1200392, 1500490, 2400784, 2550833, 3000980, 5101666, 6001960, 10203332, 12003920, 12754165, 20406664, 25508330, 40813328, 51016660, 102033320, 204066640]

約数ペア:

[(1, 204066640), (2, 102033320), (4, 51016660), (5, 40813328), (8, 25508330), (10, 20406664), (16, 12754165), (17, 12003920), (20, 10203332), (34, 6001960), (40, 5101666), (68, 3000980), (80, 2550833), (85, 2400784), (136, 1500490), (170, 1200392), (181, 1127440), (272, 750245), (340, 600196), (362, 563720), (680, 300098), (724, 281860), (829, 246160), (905, 225488), (1360, 150049), (1448, 140930), (1658, 123080), (1810, 112744), (2896, 70465), (3077, 66320), (3316, 61540), (3620, 56372), (4145, 49232), (6154, 33160), (6632, 30770), (7240, 28186), (8290, 24616), (12308, 16580), (13264, 15385), (14093, 14480)]