40787940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21929}}^1$

素因数の和:21972

約数の個数: 48

約数和(自身を含む): 117895680

約数和(自身を除く): 77107740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 21929, 43858, 65787, 87716, 109645, 131574, 219290, 263148, 328935, 438580, 657870, 679799, 1315740, 1359598, 2039397, 2719196, 3398995, 4078794, 6797990, 8157588, 10196985, 13595980, 20393970, 40787940]

約数ペア:

[(1, 40787940), (2, 20393970), (3, 13595980), (4, 10196985), (5, 8157588), (6, 6797990), (10, 4078794), (12, 3398995), (15, 2719196), (20, 2039397), (30, 1359598), (31, 1315740), (60, 679799), (62, 657870), (93, 438580), (124, 328935), (155, 263148), (186, 219290), (310, 131574), (372, 109645), (465, 87716), (620, 65787), (930, 43858), (1860, 21929)]