49115920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{383}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 131420160

約数和(自身を除く): 82304240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 229, 280, 383, 458, 560, 766, 916, 1145, 1532, 1603, 1832, 1915, 2290, 2681, 3064, 3206, 3664, 3830, 4580, 5362, 6128, 6412, 7660, 8015, 9160, 10724, 12824, 13405, 15320, 16030, 18320, 21448, 25648, 26810, 30640, 32060, 42896, 53620, 64120, 87707, 107240, 128240, 175414, 214480, 350828, 438535, 613949, 701656, 877070, 1227898, 1403312, 1754140, 2455796, 3069745, 3508280, 4911592, 6139490, 7016560, 9823184, 12278980, 24557960, 49115920]

約数ペア:

[(1, 49115920), (2, 24557960), (4, 12278980), (5, 9823184), (7, 7016560), (8, 6139490), (10, 4911592), (14, 3508280), (16, 3069745), (20, 2455796), (28, 1754140), (35, 1403312), (40, 1227898), (56, 877070), (70, 701656), (80, 613949), (112, 438535), (140, 350828), (229, 214480), (280, 175414), (383, 128240), (458, 107240), (560, 87707), (766, 64120), (916, 53620), (1145, 42896), (1532, 32060), (1603, 30640), (1832, 26810), (1915, 25648), (2290, 21448), (2681, 18320), (3064, 16030), (3206, 15320), (3664, 13405), (3830, 12824), (4580, 10724), (5362, 9160), (6128, 8015), (6412, 7660)]