142250480

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{19979}}^1$

素因数の和:20081

約数の個数: 40

約数和(自身を含む): 334465200

約数和(自身を除く): 192214720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 19979, 39958, 79916, 99895, 159832, 199790, 319664, 399580, 799160, 1598320, 1778131, 3556262, 7112524, 8890655, 14225048, 17781310, 28450096, 35562620, 71125240, 142250480]

約数ペア:

[(1, 142250480), (2, 71125240), (4, 35562620), (5, 28450096), (8, 17781310), (10, 14225048), (16, 8890655), (20, 7112524), (40, 3556262), (80, 1778131), (89, 1598320), (178, 799160), (356, 399580), (445, 319664), (712, 199790), (890, 159832), (1424, 99895), (1780, 79916), (3560, 39958), (7120, 19979)]