40285120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 84

約数和(自身を含む): 99879912

約数和(自身を除く): 59594792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 131, 155, 160, 248, 262, 310, 320, 496, 524, 620, 655, 961, 992, 1048, 1240, 1310, 1922, 1984, 2096, 2480, 2620, 3844, 4061, 4192, 4805, 4960, 5240, 7688, 8122, 8384, 9610, 9920, 10480, 15376, 16244, 19220, 20305, 20960, 30752, 32488, 38440, 40610, 41920, 61504, 64976, 76880, 81220, 125891, 129952, 153760, 162440, 251782, 259904, 307520, 324880, 503564, 629455, 649760, 1007128, 1258910, 1299520, 2014256, 2517820, 4028512, 5035640, 8057024, 10071280, 20142560, 40285120]

約数ペア:

[(1, 40285120), (2, 20142560), (4, 10071280), (5, 8057024), (8, 5035640), (10, 4028512), (16, 2517820), (20, 2014256), (31, 1299520), (32, 1258910), (40, 1007128), (62, 649760), (64, 629455), (80, 503564), (124, 324880), (131, 307520), (155, 259904), (160, 251782), (248, 162440), (262, 153760), (310, 129952), (320, 125891), (496, 81220), (524, 76880), (620, 64976), (655, 61504), (961, 41920), (992, 40610), (1048, 38440), (1240, 32488), (1310, 30752), (1922, 20960), (1984, 20305), (2096, 19220), (2480, 16244), (2620, 15376), (3844, 10480), (4061, 9920), (4192, 9610), (4805, 8384), (4960, 8122), (5240, 7688)]