89660240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{967}}^1$

素因数の和:1060

約数の個数: 80

約数和(自身を含む): 223259520

約数和(自身を除く): 133599280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 488, 610, 760, 967, 976, 1159, 1220, 1520, 1934, 2318, 2440, 3868, 4636, 4835, 4880, 5795, 7736, 9272, 9670, 11590, 15472, 18373, 18544, 19340, 23180, 36746, 38680, 46360, 58987, 73492, 77360, 91865, 92720, 117974, 146984, 183730, 235948, 293968, 294935, 367460, 471896, 589870, 734920, 943792, 1120753, 1179740, 1469840, 2241506, 2359480, 4483012, 4718960, 5603765, 8966024, 11207530, 17932048, 22415060, 44830120, 89660240]

約数ペア:

[(1, 89660240), (2, 44830120), (4, 22415060), (5, 17932048), (8, 11207530), (10, 8966024), (16, 5603765), (19, 4718960), (20, 4483012), (38, 2359480), (40, 2241506), (61, 1469840), (76, 1179740), (80, 1120753), (95, 943792), (122, 734920), (152, 589870), (190, 471896), (244, 367460), (304, 294935), (305, 293968), (380, 235948), (488, 183730), (610, 146984), (760, 117974), (967, 92720), (976, 91865), (1159, 77360), (1220, 73492), (1520, 58987), (1934, 46360), (2318, 38680), (2440, 36746), (3868, 23180), (4636, 19340), (4835, 18544), (4880, 18373), (5795, 15472), (7736, 11590), (9272, 9670)]