26531000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 63629280

約数和(自身を除く): 37098280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 172, 200, 215, 250, 344, 430, 500, 617, 860, 1000, 1075, 1234, 1720, 2150, 2468, 3085, 4300, 4936, 5375, 6170, 8600, 10750, 12340, 15425, 21500, 24680, 26531, 30850, 43000, 53062, 61700, 77125, 106124, 123400, 132655, 154250, 212248, 265310, 308500, 530620, 617000, 663275, 1061240, 1326550, 2653100, 3316375, 5306200, 6632750, 13265500, 26531000]

約数ペア:

[(1, 26531000), (2, 13265500), (4, 6632750), (5, 5306200), (8, 3316375), (10, 2653100), (20, 1326550), (25, 1061240), (40, 663275), (43, 617000), (50, 530620), (86, 308500), (100, 265310), (125, 212248), (172, 154250), (200, 132655), (215, 123400), (250, 106124), (344, 77125), (430, 61700), (500, 53062), (617, 43000), (860, 30850), (1000, 26531), (1075, 24680), (1234, 21500), (1720, 15425), (2150, 12340), (2468, 10750), (3085, 8600), (4300, 6170), (4936, 5375)]