80118790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{3163}}^1$

素因数の和:3336

約数の個数: 32

約数和(自身を含む): 153770400

約数和(自身を除く): 73651610

約数列:

[1, 2, 5, 10, 17, 34, 85, 149, 170, 298, 745, 1490, 2533, 3163, 5066, 6326, 12665, 15815, 25330, 31630, 53771, 107542, 268855, 471287, 537710, 942574, 2356435, 4712870, 8011879, 16023758, 40059395, 80118790]

約数ペア:

[(1, 80118790), (2, 40059395), (5, 16023758), (10, 8011879), (17, 4712870), (34, 2356435), (85, 942574), (149, 537710), (170, 471287), (298, 268855), (745, 107542), (1490, 53771), (2533, 31630), (3163, 25330), (5066, 15815), (6326, 12665)]