27889900

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{2129}}^1$

素因数の和:2274

約数の個数: 36

約数和(自身を含む): 61011720

約数和(自身を除く): 33121820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2129, 2620, 3275, 4258, 6550, 8516, 10645, 13100, 21290, 42580, 53225, 106450, 212900, 278899, 557798, 1115596, 1394495, 2788990, 5577980, 6972475, 13944950, 27889900]

約数ペア:

[(1, 27889900), (2, 13944950), (4, 6972475), (5, 5577980), (10, 2788990), (20, 1394495), (25, 1115596), (50, 557798), (100, 278899), (131, 212900), (262, 106450), (524, 53225), (655, 42580), (1310, 21290), (2129, 13100), (2620, 10645), (3275, 8516), (4258, 6550)]