28003420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3581}}^1$

素因数の和:3630

約数の個数: 48

約数和(自身を含む): 64991808

約数和(自身を除く): 36988388

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3581, 3910, 7162, 7820, 14324, 17905, 35810, 60877, 71620, 82363, 121754, 164726, 243508, 304385, 329452, 411815, 608770, 823630, 1217540, 1400171, 1647260, 2800342, 5600684, 7000855, 14001710, 28003420]

約数ペア:

[(1, 28003420), (2, 14001710), (4, 7000855), (5, 5600684), (10, 2800342), (17, 1647260), (20, 1400171), (23, 1217540), (34, 823630), (46, 608770), (68, 411815), (85, 329452), (92, 304385), (115, 243508), (170, 164726), (230, 121754), (340, 82363), (391, 71620), (460, 60877), (782, 35810), (1564, 17905), (1955, 14324), (3581, 7820), (3910, 7162)]