81492400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{18521}}^1$

素因数の和:18550

約数の個数: 60

約数和(自身を含む): 213595704

約数和(自身を除く): 132103304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 18521, 37042, 74084, 92605, 148168, 185210, 203731, 296336, 370420, 407462, 463025, 740840, 814924, 926050, 1018655, 1481680, 1629848, 1852100, 2037310, 3259696, 3704200, 4074620, 5093275, 7408400, 8149240, 10186550, 16298480, 20373100, 40746200, 81492400]

約数ペア:

[(1, 81492400), (2, 40746200), (4, 20373100), (5, 16298480), (8, 10186550), (10, 8149240), (11, 7408400), (16, 5093275), (20, 4074620), (22, 3704200), (25, 3259696), (40, 2037310), (44, 1852100), (50, 1629848), (55, 1481680), (80, 1018655), (88, 926050), (100, 814924), (110, 740840), (176, 463025), (200, 407462), (220, 370420), (275, 296336), (400, 203731), (440, 185210), (550, 148168), (880, 92605), (1100, 74084), (2200, 37042), (4400, 18521)]