64527200

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1120

約数の個数: 72

約数和(自身を含む): 159677280

約数和(自身を除く): 95150080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 632, 790, 800, 1021, 1264, 1580, 1975, 2042, 2528, 3160, 3950, 4084, 5105, 6320, 7900, 8168, 10210, 12640, 15800, 16336, 20420, 25525, 31600, 32672, 40840, 51050, 63200, 80659, 81680, 102100, 161318, 163360, 204200, 322636, 403295, 408400, 645272, 806590, 816800, 1290544, 1613180, 2016475, 2581088, 3226360, 4032950, 6452720, 8065900, 12905440, 16131800, 32263600, 64527200]

約数ペア:

[(1, 64527200), (2, 32263600), (4, 16131800), (5, 12905440), (8, 8065900), (10, 6452720), (16, 4032950), (20, 3226360), (25, 2581088), (32, 2016475), (40, 1613180), (50, 1290544), (79, 816800), (80, 806590), (100, 645272), (158, 408400), (160, 403295), (200, 322636), (316, 204200), (395, 163360), (400, 161318), (632, 102100), (790, 81680), (800, 80659), (1021, 63200), (1264, 51050), (1580, 40840), (1975, 32672), (2042, 31600), (2528, 25525), (3160, 20420), (3950, 16336), (4084, 15800), (5105, 12640), (6320, 10210), (7900, 8168)]