28299680

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2131}}^1$

素因数の和:2229

約数の個数: 48

約数和(自身を含む): 67695264

約数和(自身を除く): 39395584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2131, 2656, 3320, 4262, 6640, 8524, 10655, 13280, 17048, 21310, 34096, 42620, 68192, 85240, 170480, 176873, 340960, 353746, 707492, 884365, 1414984, 1768730, 2829968, 3537460, 5659936, 7074920, 14149840, 28299680]

約数ペア:

[(1, 28299680), (2, 14149840), (4, 7074920), (5, 5659936), (8, 3537460), (10, 2829968), (16, 1768730), (20, 1414984), (32, 884365), (40, 707492), (80, 353746), (83, 340960), (160, 176873), (166, 170480), (332, 85240), (415, 68192), (664, 42620), (830, 34096), (1328, 21310), (1660, 17048), (2131, 13280), (2656, 10655), (3320, 8524), (4262, 6640)]