40120020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11731}}^1$

素因数の和:11765

約数の個数: 72

約数和(自身を含む): 128113440

約数和(自身を除く): 87993420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 11731, 23462, 35193, 46924, 58655, 70386, 105579, 117310, 140772, 175965, 211158, 222889, 234620, 351930, 422316, 445778, 527895, 668667, 703860, 891556, 1055790, 1114445, 1337334, 2006001, 2111580, 2228890, 2674668, 3343335, 4012002, 4457780, 6686670, 8024004, 10030005, 13373340, 20060010, 40120020]

約数ペア:

[(1, 40120020), (2, 20060010), (3, 13373340), (4, 10030005), (5, 8024004), (6, 6686670), (9, 4457780), (10, 4012002), (12, 3343335), (15, 2674668), (18, 2228890), (19, 2111580), (20, 2006001), (30, 1337334), (36, 1114445), (38, 1055790), (45, 891556), (57, 703860), (60, 668667), (76, 527895), (90, 445778), (95, 422316), (114, 351930), (171, 234620), (180, 222889), (190, 211158), (228, 175965), (285, 140772), (342, 117310), (380, 105579), (570, 70386), (684, 58655), (855, 46924), (1140, 35193), (1710, 23462), (3420, 11731)]