79678400

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2662

約数の個数: 84

約数和(自身を含む): 206456280

約数和(自身を除く): 126777880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 152, 160, 190, 200, 304, 320, 380, 400, 475, 608, 760, 800, 950, 1216, 1520, 1600, 1900, 2621, 3040, 3800, 5242, 6080, 7600, 10484, 13105, 15200, 20968, 26210, 30400, 41936, 49799, 52420, 65525, 83872, 99598, 104840, 131050, 167744, 199196, 209680, 248995, 262100, 398392, 419360, 497990, 524200, 796784, 838720, 995980, 1048400, 1244975, 1593568, 1991960, 2096800, 2489950, 3187136, 3983920, 4193600, 4979900, 7967840, 9959800, 15935680, 19919600, 39839200, 79678400]

約数ペア:

[(1, 79678400), (2, 39839200), (4, 19919600), (5, 15935680), (8, 9959800), (10, 7967840), (16, 4979900), (19, 4193600), (20, 3983920), (25, 3187136), (32, 2489950), (38, 2096800), (40, 1991960), (50, 1593568), (64, 1244975), (76, 1048400), (80, 995980), (95, 838720), (100, 796784), (152, 524200), (160, 497990), (190, 419360), (200, 398392), (304, 262100), (320, 248995), (380, 209680), (400, 199196), (475, 167744), (608, 131050), (760, 104840), (800, 99598), (950, 83872), (1216, 65525), (1520, 52420), (1600, 49799), (1900, 41936), (2621, 30400), (3040, 26210), (3800, 20968), (5242, 15200), (6080, 13105), (7600, 10484)]