20188152080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3061}}^1\times {\mathrm{4339}}^1$

素因数の和:7432

約数の個数: 80

約数和(自身を含む): 49435377600

約数和(自身を除く): 29247225520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 3061, 4339, 6122, 8678, 12244, 15305, 17356, 21695, 24488, 30610, 34712, 43390, 48976, 58159, 61220, 69424, 82441, 86780, 116318, 122440, 164882, 173560, 232636, 244880, 290795, 329764, 347120, 412205, 465272, 581590, 659528, 824410, 930544, 1163180, 1319056, 1648820, 2326360, 3297640, 4652720, 6595280, 13281679, 26563358, 53126716, 66408395, 106253432, 132816790, 212506864, 252351901, 265633580, 504703802, 531267160, 1009407604, 1062534320, 1261759505, 2018815208, 2523519010, 4037630416, 5047038020, 10094076040, 20188152080]

約数ペア:

[(1, 20188152080), (2, 10094076040), (4, 5047038020), (5, 4037630416), (8, 2523519010), (10, 2018815208), (16, 1261759505), (19, 1062534320), (20, 1009407604), (38, 531267160), (40, 504703802), (76, 265633580), (80, 252351901), (95, 212506864), (152, 132816790), (190, 106253432), (304, 66408395), (380, 53126716), (760, 26563358), (1520, 13281679), (3061, 6595280), (4339, 4652720), (6122, 3297640), (8678, 2326360), (12244, 1648820), (15305, 1319056), (17356, 1163180), (21695, 930544), (24488, 824410), (30610, 659528), (34712, 581590), (43390, 465272), (48976, 412205), (58159, 347120), (61220, 329764), (69424, 290795), (82441, 244880), (86780, 232636), (116318, 173560), (122440, 164882)]