80304400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{18251}}^1$

素因数の和:18280

約数の個数: 60

約数和(自身を含む): 210482064

約数和(自身を除く): 130177664

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, 18251, 36502, 73004, 91255, 146008, 182510, 200761, 292016, 365020, 401522, 456275, 730040, 803044, 912550, 1003805, 1460080, 1606088, 1825100, 2007610, 3212176, 3650200, 4015220, 5019025, 7300400, 8030440, 10038050, 16060880, 20076100, 40152200, 80304400]

約数ペア:

[(1, 80304400), (2, 40152200), (4, 20076100), (5, 16060880), (8, 10038050), (10, 8030440), (11, 7300400), (16, 5019025), (20, 4015220), (22, 3650200), (25, 3212176), (40, 2007610), (44, 1825100), (50, 1606088), (55, 1460080), (80, 1003805), (88, 912550), (100, 803044), (110, 730040), (176, 456275), (200, 401522), (220, 365020), (275, 292016), (400, 200761), (440, 182510), (550, 146008), (880, 91255), (1100, 73004), (2200, 36502), (4400, 18251)]