27790250

素因数分解:

$2^1\times 5^3\times {\mathrm{89}}^1\times {\mathrm{1249}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 52650000

約数和(自身を除く): 24859750

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 178, 250, 445, 890, 1249, 2225, 2498, 4450, 6245, 11125, 12490, 22250, 31225, 62450, 111161, 156125, 222322, 312250, 555805, 1111610, 2779025, 5558050, 13895125, 27790250]

約数ペア:

[(1, 27790250), (2, 13895125), (5, 5558050), (10, 2779025), (25, 1111610), (50, 555805), (89, 312250), (125, 222322), (178, 156125), (250, 111161), (445, 62450), (890, 31225), (1249, 22250), (2225, 12490), (2498, 11125), (4450, 6245)]