28223000

素因数分解:

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

素因数の和:214

約数の個数: 96

約数和(自身を含む): 71940960

約数和(自身を除く): 43717960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 167, 169, 200, 250, 260, 325, 334, 338, 500, 520, 650, 668, 676, 835, 845, 1000, 1300, 1336, 1352, 1625, 1670, 1690, 2171, 2600, 3250, 3340, 3380, 4175, 4225, 4342, 6500, 6680, 6760, 8350, 8450, 8684, 10855, 13000, 16700, 16900, 17368, 20875, 21125, 21710, 28223, 33400, 33800, 41750, 42250, 43420, 54275, 56446, 83500, 84500, 86840, 108550, 112892, 141115, 167000, 169000, 217100, 225784, 271375, 282230, 434200, 542750, 564460, 705575, 1085500, 1128920, 1411150, 2171000, 2822300, 3527875, 5644600, 7055750, 14111500, 28223000]

約数ペア:

[(1, 28223000), (2, 14111500), (4, 7055750), (5, 5644600), (8, 3527875), (10, 2822300), (13, 2171000), (20, 1411150), (25, 1128920), (26, 1085500), (40, 705575), (50, 564460), (52, 542750), (65, 434200), (100, 282230), (104, 271375), (125, 225784), (130, 217100), (167, 169000), (169, 167000), (200, 141115), (250, 112892), (260, 108550), (325, 86840), (334, 84500), (338, 83500), (500, 56446), (520, 54275), (650, 43420), (668, 42250), (676, 41750), (835, 33800), (845, 33400), (1000, 28223), (1300, 21710), (1336, 21125), (1352, 20875), (1625, 17368), (1670, 16900), (1690, 16700), (2171, 13000), (2600, 10855), (3250, 8684), (3340, 8450), (3380, 8350), (4175, 6760), (4225, 6680), (4342, 6500)]