80184400

素因数分解:

$2^4\times 5^2\times {\mathrm{200461}}^1$

素因数の和:200479

約数の個数: 30

約数和(自身を含む): 192643982

約数和(自身を除く): 112459582

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 200461, 400922, 801844, 1002305, 1603688, 2004610, 3207376, 4009220, 5011525, 8018440, 10023050, 16036880, 20046100, 40092200, 80184400]

約数ペア:

[(1, 80184400), (2, 40092200), (4, 20046100), (5, 16036880), (8, 10023050), (10, 8018440), (16, 5011525), (20, 4009220), (25, 3207376), (40, 2004610), (50, 1603688), (80, 1002305), (100, 801844), (200, 400922), (400, 200461)]