40906840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{811}}^1$

素因数の和:932

約数の個数: 64

約数和(自身を含む): 100265760

約数和(自身を除く): 59358920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 776, 811, 970, 1261, 1622, 1940, 2522, 3244, 3880, 4055, 5044, 6305, 6488, 8110, 10088, 10543, 12610, 16220, 21086, 25220, 32440, 42172, 50440, 52715, 78667, 84344, 105430, 157334, 210860, 314668, 393335, 421720, 629336, 786670, 1022671, 1573340, 2045342, 3146680, 4090684, 5113355, 8181368, 10226710, 20453420, 40906840]

約数ペア:

[(1, 40906840), (2, 20453420), (4, 10226710), (5, 8181368), (8, 5113355), (10, 4090684), (13, 3146680), (20, 2045342), (26, 1573340), (40, 1022671), (52, 786670), (65, 629336), (97, 421720), (104, 393335), (130, 314668), (194, 210860), (260, 157334), (388, 105430), (485, 84344), (520, 78667), (776, 52715), (811, 50440), (970, 42172), (1261, 32440), (1622, 25220), (1940, 21086), (2522, 16220), (3244, 12610), (3880, 10543), (4055, 10088), (5044, 8110), (6305, 6488)]