78466400

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2281}}^1$

素因数の和:2344

約数の個数: 72

約数和(自身を含む): 196096824

約数和(自身を除く): 117630424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 400, 430, 688, 800, 860, 1075, 1376, 1720, 2150, 2281, 3440, 4300, 4562, 6880, 8600, 9124, 11405, 17200, 18248, 22810, 34400, 36496, 45620, 57025, 72992, 91240, 98083, 114050, 182480, 196166, 228100, 364960, 392332, 456200, 490415, 784664, 912400, 980830, 1569328, 1824800, 1961660, 2452075, 3138656, 3923320, 4904150, 7846640, 9808300, 15693280, 19616600, 39233200, 78466400]

約数ペア:

[(1, 78466400), (2, 39233200), (4, 19616600), (5, 15693280), (8, 9808300), (10, 7846640), (16, 4904150), (20, 3923320), (25, 3138656), (32, 2452075), (40, 1961660), (43, 1824800), (50, 1569328), (80, 980830), (86, 912400), (100, 784664), (160, 490415), (172, 456200), (200, 392332), (215, 364960), (344, 228100), (400, 196166), (430, 182480), (688, 114050), (800, 98083), (860, 91240), (1075, 72992), (1376, 57025), (1720, 45620), (2150, 36496), (2281, 34400), (3440, 22810), (4300, 18248), (4562, 17200), (6880, 11405), (8600, 9124)]