40492240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 98208000

約数和(自身を除く): 57715760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 79, 80, 86, 149, 158, 172, 215, 298, 316, 344, 395, 430, 596, 632, 688, 745, 790, 860, 1192, 1264, 1490, 1580, 1720, 2384, 2980, 3160, 3397, 3440, 5960, 6320, 6407, 6794, 11771, 11920, 12814, 13588, 16985, 23542, 25628, 27176, 32035, 33970, 47084, 51256, 54352, 58855, 64070, 67940, 94168, 102512, 117710, 128140, 135880, 188336, 235420, 256280, 271760, 470840, 506153, 512560, 941680, 1012306, 2024612, 2530765, 4049224, 5061530, 8098448, 10123060, 20246120, 40492240]

約数ペア:

[(1, 40492240), (2, 20246120), (4, 10123060), (5, 8098448), (8, 5061530), (10, 4049224), (16, 2530765), (20, 2024612), (40, 1012306), (43, 941680), (79, 512560), (80, 506153), (86, 470840), (149, 271760), (158, 256280), (172, 235420), (215, 188336), (298, 135880), (316, 128140), (344, 117710), (395, 102512), (430, 94168), (596, 67940), (632, 64070), (688, 58855), (745, 54352), (790, 51256), (860, 47084), (1192, 33970), (1264, 32035), (1490, 27176), (1580, 25628), (1720, 23542), (2384, 16985), (2980, 13588), (3160, 12814), (3397, 11920), (3440, 11771), (5960, 6794), (6320, 6407)]