56171980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6427}}^1$

素因数の和:6478

約数の個数: 48

約数和(自身を含む): 129588480

約数和(自身を除く): 73416500

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 6427, 8740, 12854, 25708, 32135, 64270, 122113, 128540, 147821, 244226, 295642, 488452, 591284, 610565, 739105, 1221130, 1478210, 2442260, 2808599, 2956420, 5617198, 11234396, 14042995, 28085990, 56171980]

約数ペア:

[(1, 56171980), (2, 28085990), (4, 14042995), (5, 11234396), (10, 5617198), (19, 2956420), (20, 2808599), (23, 2442260), (38, 1478210), (46, 1221130), (76, 739105), (92, 610565), (95, 591284), (115, 488452), (190, 295642), (230, 244226), (380, 147821), (437, 128540), (460, 122113), (874, 64270), (1748, 32135), (2185, 25708), (4370, 12854), (6427, 8740)]