12953440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4261}}^1$

素因数の和:4295

約数の個数: 48

約数和(自身を含む): 32220720

約数和(自身を除く): 19267280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 4261, 8522, 17044, 21305, 34088, 42610, 68176, 80959, 85220, 136352, 161918, 170440, 323836, 340880, 404795, 647672, 681760, 809590, 1295344, 1619180, 2590688, 3238360, 6476720, 12953440]

約数ペア:

[(1, 12953440), (2, 6476720), (4, 3238360), (5, 2590688), (8, 1619180), (10, 1295344), (16, 809590), (19, 681760), (20, 647672), (32, 404795), (38, 340880), (40, 323836), (76, 170440), (80, 161918), (95, 136352), (152, 85220), (160, 80959), (190, 68176), (304, 42610), (380, 34088), (608, 21305), (760, 17044), (1520, 8522), (3040, 4261)]