4006720

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:695

約数の個数: 56

約数和(自身を含む): 10058400

約数和(自身を除く): 6051680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 659, 760, 1216, 1318, 1520, 2636, 3040, 3295, 5272, 6080, 6590, 10544, 12521, 13180, 21088, 25042, 26360, 42176, 50084, 52720, 62605, 100168, 105440, 125210, 200336, 210880, 250420, 400672, 500840, 801344, 1001680, 2003360, 4006720]

約数ペア:

[(1, 4006720), (2, 2003360), (4, 1001680), (5, 801344), (8, 500840), (10, 400672), (16, 250420), (19, 210880), (20, 200336), (32, 125210), (38, 105440), (40, 100168), (64, 62605), (76, 52720), (80, 50084), (95, 42176), (152, 26360), (160, 25042), (190, 21088), (304, 13180), (320, 12521), (380, 10544), (608, 6590), (659, 6080), (760, 5272), (1216, 3295), (1318, 3040), (1520, 2636)]