31565260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 70652736

約数和(自身を除く): 39087476

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 263, 340, 353, 526, 706, 1052, 1315, 1412, 1765, 2630, 3530, 4471, 5260, 6001, 7060, 8942, 12002, 17884, 22355, 24004, 30005, 44710, 60010, 89420, 92839, 120020, 185678, 371356, 464195, 928390, 1578263, 1856780, 3156526, 6313052, 7891315, 15782630, 31565260]

約数ペア:

[(1, 31565260), (2, 15782630), (4, 7891315), (5, 6313052), (10, 3156526), (17, 1856780), (20, 1578263), (34, 928390), (68, 464195), (85, 371356), (170, 185678), (263, 120020), (340, 92839), (353, 89420), (526, 60010), (706, 44710), (1052, 30005), (1315, 24004), (1412, 22355), (1765, 17884), (2630, 12002), (3530, 8942), (4471, 7060), (5260, 6001)]