42399640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1187}}^1$

素因数の和:1264

約数の個数: 64

約数和(自身を含む): 102643200

約数和(自身を除く): 60243560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1187, 1786, 1880, 2374, 3572, 4465, 4748, 5935, 7144, 8930, 9496, 11870, 17860, 22553, 23740, 35720, 45106, 47480, 55789, 90212, 111578, 112765, 180424, 223156, 225530, 278945, 446312, 451060, 557890, 902120, 1059991, 1115780, 2119982, 2231560, 4239964, 5299955, 8479928, 10599910, 21199820, 42399640]

約数ペア:

[(1, 42399640), (2, 21199820), (4, 10599910), (5, 8479928), (8, 5299955), (10, 4239964), (19, 2231560), (20, 2119982), (38, 1115780), (40, 1059991), (47, 902120), (76, 557890), (94, 451060), (95, 446312), (152, 278945), (188, 225530), (190, 223156), (235, 180424), (376, 112765), (380, 111578), (470, 90212), (760, 55789), (893, 47480), (940, 45106), (1187, 35720), (1786, 23740), (1880, 22553), (2374, 17860), (3572, 11870), (4465, 9496), (4748, 8930), (5935, 7144)]