40802564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 81357696

約数和(自身を除く): 40555132

約数列:

[1, 2, 4, 11, 22, 37, 44, 71, 74, 142, 148, 284, 353, 407, 706, 781, 814, 1412, 1562, 1628, 2627, 3124, 3883, 5254, 7766, 10508, 13061, 15532, 25063, 26122, 28897, 50126, 52244, 57794, 100252, 115588, 143671, 275693, 287342, 551386, 574684, 927331, 1102772, 1854662, 3709324, 10200641, 20401282, 40802564]

約数ペア:

[(1, 40802564), (2, 20401282), (4, 10200641), (11, 3709324), (22, 1854662), (37, 1102772), (44, 927331), (71, 574684), (74, 551386), (142, 287342), (148, 275693), (284, 143671), (353, 115588), (407, 100252), (706, 57794), (781, 52244), (814, 50126), (1412, 28897), (1562, 26122), (1628, 25063), (2627, 15532), (3124, 13061), (3883, 10508), (5254, 7766)]