17200720

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1019}}^1$

素因数の和:1243

約数の個数: 40

約数和(自身を含む): 40220640

約数和(自身を除く): 23019920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1019, 1055, 1688, 2038, 2110, 3376, 4076, 4220, 5095, 8152, 8440, 10190, 16304, 16880, 20380, 40760, 81520, 215009, 430018, 860036, 1075045, 1720072, 2150090, 3440144, 4300180, 8600360, 17200720]

約数ペア:

[(1, 17200720), (2, 8600360), (4, 4300180), (5, 3440144), (8, 2150090), (10, 1720072), (16, 1075045), (20, 860036), (40, 430018), (80, 215009), (211, 81520), (422, 40760), (844, 20380), (1019, 16880), (1055, 16304), (1688, 10190), (2038, 8440), (2110, 8152), (3376, 5095), (4076, 4220)]