545360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:431

約数の個数: 40

約数和(自身を含む): 1345896

約数和(自身を除く): 800536

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 401, 680, 802, 1360, 1604, 2005, 3208, 4010, 6416, 6817, 8020, 13634, 16040, 27268, 32080, 34085, 54536, 68170, 109072, 136340, 272680, 545360]

約数ペア:

[(1, 545360), (2, 272680), (4, 136340), (5, 109072), (8, 68170), (10, 54536), (16, 34085), (17, 32080), (20, 27268), (34, 16040), (40, 13634), (68, 8020), (80, 6817), (85, 6416), (136, 4010), (170, 3208), (272, 2005), (340, 1604), (401, 1360), (680, 802)]