31796440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1301}}^1$

素因数の和:1372

約数の個数: 64

約数和(自身を含む): 78744960

約数和(自身を除く): 46948520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1301, 1880, 2444, 2602, 3055, 4888, 5204, 6110, 6505, 10408, 12220, 13010, 16913, 24440, 26020, 33826, 52040, 61147, 67652, 84565, 122294, 135304, 169130, 244588, 305735, 338260, 489176, 611470, 676520, 794911, 1222940, 1589822, 2445880, 3179644, 3974555, 6359288, 7949110, 15898220, 31796440]

約数ペア:

[(1, 31796440), (2, 15898220), (4, 7949110), (5, 6359288), (8, 3974555), (10, 3179644), (13, 2445880), (20, 1589822), (26, 1222940), (40, 794911), (47, 676520), (52, 611470), (65, 489176), (94, 338260), (104, 305735), (130, 244588), (188, 169130), (235, 135304), (260, 122294), (376, 84565), (470, 67652), (520, 61147), (611, 52040), (940, 33826), (1222, 26020), (1301, 24440), (1880, 16913), (2444, 13010), (2602, 12220), (3055, 10408), (4888, 6505), (5204, 6110)]