4290520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 10725120

約数和(自身を除く): 6434600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 223, 260, 296, 370, 446, 481, 520, 740, 892, 962, 1115, 1480, 1784, 1924, 2230, 2405, 2899, 3848, 4460, 4810, 5798, 8251, 8920, 9620, 11596, 14495, 16502, 19240, 23192, 28990, 33004, 41255, 57980, 66008, 82510, 107263, 115960, 165020, 214526, 330040, 429052, 536315, 858104, 1072630, 2145260, 4290520]

約数ペア:

[(1, 4290520), (2, 2145260), (4, 1072630), (5, 858104), (8, 536315), (10, 429052), (13, 330040), (20, 214526), (26, 165020), (37, 115960), (40, 107263), (52, 82510), (65, 66008), (74, 57980), (104, 41255), (130, 33004), (148, 28990), (185, 23192), (223, 19240), (260, 16502), (296, 14495), (370, 11596), (446, 9620), (481, 8920), (520, 8251), (740, 5798), (892, 4810), (962, 4460), (1115, 3848), (1480, 2899), (1784, 2405), (1924, 2230)]