2012401250

素因数分解:

$2^1\times 5^4\times {\mathrm{89}}^1\times {\mathrm{18089}}^1$

素因数の和:18200

約数の個数: 40

約数和(自身を含む): 3814638300

約数和(自身を除く): 1802237050

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 178, 250, 445, 625, 890, 1250, 2225, 4450, 11125, 18089, 22250, 36178, 55625, 90445, 111250, 180890, 452225, 904450, 1609921, 2261125, 3219842, 4522250, 8049605, 11305625, 16099210, 22611250, 40248025, 80496050, 201240125, 402480250, 1006200625, 2012401250]

約数ペア:

[(1, 2012401250), (2, 1006200625), (5, 402480250), (10, 201240125), (25, 80496050), (50, 40248025), (89, 22611250), (125, 16099210), (178, 11305625), (250, 8049605), (445, 4522250), (625, 3219842), (890, 2261125), (1250, 1609921), (2225, 904450), (4450, 452225), (11125, 180890), (18089, 111250), (22250, 90445), (36178, 55625)]