81428600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37013}}^1$

素因数の和:37040

約数の個数: 48

約数和(自身を含む): 206538120

約数和(自身を除く): 125109520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 37013, 74026, 148052, 185065, 296104, 370130, 407143, 740260, 814286, 925325, 1480520, 1628572, 1850650, 2035715, 3257144, 3701300, 4071430, 7402600, 8142860, 10178575, 16285720, 20357150, 40714300, 81428600]

約数ペア:

[(1, 81428600), (2, 40714300), (4, 20357150), (5, 16285720), (8, 10178575), (10, 8142860), (11, 7402600), (20, 4071430), (22, 3701300), (25, 3257144), (40, 2035715), (44, 1850650), (50, 1628572), (55, 1480520), (88, 925325), (100, 814286), (110, 740260), (200, 407143), (220, 370130), (275, 296104), (440, 185065), (550, 148052), (1100, 74026), (2200, 37013)]