28100280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18013}}^1$

素因数の和:18040

約数の個数: 64

約数和(自身を含む): 90790560

約数和(自身を除く): 62690280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 18013, 36026, 54039, 72052, 90065, 108078, 144104, 180130, 216156, 234169, 270195, 360260, 432312, 468338, 540390, 702507, 720520, 936676, 1080780, 1170845, 1405014, 1873352, 2161560, 2341690, 2810028, 3512535, 4683380, 5620056, 7025070, 9366760, 14050140, 28100280]

約数ペア:

[(1, 28100280), (2, 14050140), (3, 9366760), (4, 7025070), (5, 5620056), (6, 4683380), (8, 3512535), (10, 2810028), (12, 2341690), (13, 2161560), (15, 1873352), (20, 1405014), (24, 1170845), (26, 1080780), (30, 936676), (39, 720520), (40, 702507), (52, 540390), (60, 468338), (65, 432312), (78, 360260), (104, 270195), (120, 234169), (130, 216156), (156, 180130), (195, 144104), (260, 108078), (312, 90065), (390, 72052), (520, 54039), (780, 36026), (1560, 18013)]