42666880

素因数分解:

$2^7\times 5^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 102877200

約数和(自身を除く): 60210320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 320, 326, 409, 640, 652, 815, 818, 1304, 1630, 1636, 2045, 2608, 3260, 3272, 4090, 5216, 6520, 6544, 8180, 10432, 13040, 13088, 16360, 20864, 26080, 26176, 32720, 52160, 52352, 65440, 66667, 104320, 130880, 133334, 261760, 266668, 333335, 533336, 666670, 1066672, 1333340, 2133344, 2666680, 4266688, 5333360, 8533376, 10666720, 21333440, 42666880]

約数ペア:

[(1, 42666880), (2, 21333440), (4, 10666720), (5, 8533376), (8, 5333360), (10, 4266688), (16, 2666680), (20, 2133344), (32, 1333340), (40, 1066672), (64, 666670), (80, 533336), (128, 333335), (160, 266668), (163, 261760), (320, 133334), (326, 130880), (409, 104320), (640, 66667), (652, 65440), (815, 52352), (818, 52160), (1304, 32720), (1630, 26176), (1636, 26080), (2045, 20864), (2608, 16360), (3260, 13088), (3272, 13040), (4090, 10432), (5216, 8180), (6520, 6544)]