20139834160

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{48497}}^1$

素因数の和:48718

約数の個数: 80

約数和(自身を含む): 48711391200

約数和(自身を除く): 28571557040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 179, 232, 290, 358, 464, 580, 716, 895, 1160, 1432, 1790, 2320, 2864, 3580, 5191, 7160, 10382, 14320, 20764, 25955, 41528, 48497, 51910, 83056, 96994, 103820, 193988, 207640, 242485, 387976, 415280, 484970, 775952, 969940, 1406413, 1939880, 2812826, 3879760, 5625652, 7032065, 8680963, 11251304, 14064130, 17361926, 22502608, 28128260, 34723852, 43404815, 56256520, 69447704, 86809630, 112513040, 138895408, 173619260, 251747927, 347238520, 503495854, 694477040, 1006991708, 1258739635, 2013983416, 2517479270, 4027966832, 5034958540, 10069917080, 20139834160]

約数ペア:

[(1, 20139834160), (2, 10069917080), (4, 5034958540), (5, 4027966832), (8, 2517479270), (10, 2013983416), (16, 1258739635), (20, 1006991708), (29, 694477040), (40, 503495854), (58, 347238520), (80, 251747927), (116, 173619260), (145, 138895408), (179, 112513040), (232, 86809630), (290, 69447704), (358, 56256520), (464, 43404815), (580, 34723852), (716, 28128260), (895, 22502608), (1160, 17361926), (1432, 14064130), (1790, 11251304), (2320, 8680963), (2864, 7032065), (3580, 5625652), (5191, 3879760), (7160, 2812826), (10382, 1939880), (14320, 1406413), (20764, 969940), (25955, 775952), (41528, 484970), (48497, 415280), (51910, 387976), (83056, 242485), (96994, 207640), (103820, 193988)]