201951560

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{7121}}^1$

素因数の和:7841

約数の個数: 32

約数和(自身を含む): 455095800

約数和(自身を除く): 253144240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2836, 3545, 5672, 7090, 7121, 14180, 14242, 28360, 28484, 35605, 56968, 71210, 142420, 284840, 5048789, 10097578, 20195156, 25243945, 40390312, 50487890, 100975780, 201951560]

約数ペア:

[(1, 201951560), (2, 100975780), (4, 50487890), (5, 40390312), (8, 25243945), (10, 20195156), (20, 10097578), (40, 5048789), (709, 284840), (1418, 142420), (2836, 71210), (3545, 56968), (5672, 35605), (7090, 28484), (7121, 28360), (14180, 14242)]