173177720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{26561}}^1$

素因数の和:26735

約数の個数: 32

約数和(自身を含む): 392055120

約数和(自身を除く): 218877400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 26561, 53122, 106244, 132805, 212488, 265610, 531220, 1062440, 4329443, 8658886, 17317772, 21647215, 34635544, 43294430, 86588860, 173177720]

約数ペア:

[(1, 173177720), (2, 86588860), (4, 43294430), (5, 34635544), (8, 21647215), (10, 17317772), (20, 8658886), (40, 4329443), (163, 1062440), (326, 531220), (652, 265610), (815, 212488), (1304, 132805), (1630, 106244), (3260, 53122), (6520, 26561)]