39933440

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:863

約数の個数: 80

約数和(自身を含む): 100908720

約数和(自身を除く): 60975280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 821, 1216, 1280, 1520, 1642, 2432, 2560, 3040, 3284, 4105, 4864, 6080, 6568, 8210, 9728, 12160, 13136, 15599, 16420, 24320, 26272, 31198, 32840, 48640, 52544, 62396, 65680, 77995, 105088, 124792, 131360, 155990, 210176, 249584, 262720, 311980, 420352, 499168, 525440, 623960, 998336, 1050880, 1247920, 1996672, 2101760, 2495840, 3993344, 4991680, 7986688, 9983360, 19966720, 39933440]

約数ペア:

[(1, 39933440), (2, 19966720), (4, 9983360), (5, 7986688), (8, 4991680), (10, 3993344), (16, 2495840), (19, 2101760), (20, 1996672), (32, 1247920), (38, 1050880), (40, 998336), (64, 623960), (76, 525440), (80, 499168), (95, 420352), (128, 311980), (152, 262720), (160, 249584), (190, 210176), (256, 155990), (304, 131360), (320, 124792), (380, 105088), (512, 77995), (608, 65680), (640, 62396), (760, 52544), (821, 48640), (1216, 32840), (1280, 31198), (1520, 26272), (1642, 24320), (2432, 16420), (2560, 15599), (3040, 13136), (3284, 12160), (4105, 9728), (4864, 8210), (6080, 6568)]