1987866400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{191141}}^1$

素因数の和:191174

約数の個数: 72

約数和(自身を含む): 5226204564

約数和(自身を除く): 3238338164

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 191141, 382282, 764564, 955705, 1529128, 1911410, 2484833, 3058256, 3822820, 4778525, 4969666, 6116512, 7645640, 9557050, 9939332, 12424165, 15291280, 19114100, 19878664, 24848330, 30582560, 38228200, 39757328, 49696660, 62120825, 76456400, 79514656, 99393320, 124241650, 152912800, 198786640, 248483300, 397573280, 496966600, 993933200, 1987866400]

約数ペア:

[(1, 1987866400), (2, 993933200), (4, 496966600), (5, 397573280), (8, 248483300), (10, 198786640), (13, 152912800), (16, 124241650), (20, 99393320), (25, 79514656), (26, 76456400), (32, 62120825), (40, 49696660), (50, 39757328), (52, 38228200), (65, 30582560), (80, 24848330), (100, 19878664), (104, 19114100), (130, 15291280), (160, 12424165), (200, 9939332), (208, 9557050), (260, 7645640), (325, 6116512), (400, 4969666), (416, 4778525), (520, 3822820), (650, 3058256), (800, 2484833), (1040, 1911410), (1300, 1529128), (2080, 955705), (2600, 764564), (5200, 382282), (10400, 191141)]