51813760

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4261}}^1$

素因数の和:4299

約数の個数: 64

約数和(自身を含む): 130417200

約数和(自身を除く): 78603440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 4261, 6080, 8522, 12160, 17044, 21305, 34088, 42610, 68176, 80959, 85220, 136352, 161918, 170440, 272704, 323836, 340880, 404795, 545408, 647672, 681760, 809590, 1295344, 1363520, 1619180, 2590688, 2727040, 3238360, 5181376, 6476720, 10362752, 12953440, 25906880, 51813760]

約数ペア:

[(1, 51813760), (2, 25906880), (4, 12953440), (5, 10362752), (8, 6476720), (10, 5181376), (16, 3238360), (19, 2727040), (20, 2590688), (32, 1619180), (38, 1363520), (40, 1295344), (64, 809590), (76, 681760), (80, 647672), (95, 545408), (128, 404795), (152, 340880), (160, 323836), (190, 272704), (304, 170440), (320, 161918), (380, 136352), (608, 85220), (640, 80959), (760, 68176), (1216, 42610), (1520, 34088), (2432, 21305), (3040, 17044), (4261, 12160), (6080, 8522)]