40944680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{419}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 105840000

約数和(自身を除く): 64895320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 349, 419, 698, 838, 1396, 1676, 1745, 2095, 2443, 2792, 2933, 3352, 3490, 4190, 4886, 5866, 6980, 8380, 9772, 11732, 12215, 13960, 14665, 16760, 19544, 23464, 24430, 29330, 48860, 58660, 97720, 117320, 146231, 292462, 584924, 731155, 1023617, 1169848, 1462310, 2047234, 2924620, 4094468, 5118085, 5849240, 8188936, 10236170, 20472340, 40944680]

約数ペア:

[(1, 40944680), (2, 20472340), (4, 10236170), (5, 8188936), (7, 5849240), (8, 5118085), (10, 4094468), (14, 2924620), (20, 2047234), (28, 1462310), (35, 1169848), (40, 1023617), (56, 731155), (70, 584924), (140, 292462), (280, 146231), (349, 117320), (419, 97720), (698, 58660), (838, 48860), (1396, 29330), (1676, 24430), (1745, 23464), (2095, 19544), (2443, 16760), (2792, 14665), (2933, 13960), (3352, 12215), (3490, 11732), (4190, 9772), (4886, 8380), (5866, 6980)]