2171000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 5503680

約数和(自身を除く): 3332680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 167, 200, 250, 260, 325, 334, 500, 520, 650, 668, 835, 1000, 1300, 1336, 1625, 1670, 2171, 2600, 3250, 3340, 4175, 4342, 6500, 6680, 8350, 8684, 10855, 13000, 16700, 17368, 20875, 21710, 33400, 41750, 43420, 54275, 83500, 86840, 108550, 167000, 217100, 271375, 434200, 542750, 1085500, 2171000]

約数ペア:

[(1, 2171000), (2, 1085500), (4, 542750), (5, 434200), (8, 271375), (10, 217100), (13, 167000), (20, 108550), (25, 86840), (26, 83500), (40, 54275), (50, 43420), (52, 41750), (65, 33400), (100, 21710), (104, 20875), (125, 17368), (130, 16700), (167, 13000), (200, 10855), (250, 8684), (260, 8350), (325, 6680), (334, 6500), (500, 4342), (520, 4175), (650, 3340), (668, 3250), (835, 2600), (1000, 2171), (1300, 1670), (1336, 1625)]