19693600

素因数分解:

$2^5\times 5^2\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:362

約数の個数: 72

約数和(自身を含む): 48746880

約数和(自身を除く): 29053280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 103, 160, 200, 206, 239, 400, 412, 478, 515, 800, 824, 956, 1030, 1195, 1648, 1912, 2060, 2390, 2575, 3296, 3824, 4120, 4780, 5150, 5975, 7648, 8240, 9560, 10300, 11950, 16480, 19120, 20600, 23900, 24617, 38240, 41200, 47800, 49234, 82400, 95600, 98468, 123085, 191200, 196936, 246170, 393872, 492340, 615425, 787744, 984680, 1230850, 1969360, 2461700, 3938720, 4923400, 9846800, 19693600]

約数ペア:

[(1, 19693600), (2, 9846800), (4, 4923400), (5, 3938720), (8, 2461700), (10, 1969360), (16, 1230850), (20, 984680), (25, 787744), (32, 615425), (40, 492340), (50, 393872), (80, 246170), (100, 196936), (103, 191200), (160, 123085), (200, 98468), (206, 95600), (239, 82400), (400, 49234), (412, 47800), (478, 41200), (515, 38240), (800, 24617), (824, 23900), (956, 20600), (1030, 19120), (1195, 16480), (1648, 11950), (1912, 10300), (2060, 9560), (2390, 8240), (2575, 7648), (3296, 5975), (3824, 5150), (4120, 4780)]