80925940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1231}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 180069120

約数和(自身を除く): 99143180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 173, 190, 346, 380, 692, 865, 1231, 1730, 2462, 3287, 3460, 4924, 6155, 6574, 12310, 13148, 16435, 23389, 24620, 32870, 46778, 65740, 93556, 116945, 212963, 233890, 425926, 467780, 851852, 1064815, 2129630, 4046297, 4259260, 8092594, 16185188, 20231485, 40462970, 80925940]

約数ペア:

[(1, 80925940), (2, 40462970), (4, 20231485), (5, 16185188), (10, 8092594), (19, 4259260), (20, 4046297), (38, 2129630), (76, 1064815), (95, 851852), (173, 467780), (190, 425926), (346, 233890), (380, 212963), (692, 116945), (865, 93556), (1231, 65740), (1730, 46778), (2462, 32870), (3287, 24620), (3460, 23389), (4924, 16435), (6155, 13148), (6574, 12310)]