51387520

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3491}}^1$

素因数の和:3533

約数の個数: 64

約数和(自身を含む): 128226240

約数和(自身を除く): 76838720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3491, 3680, 6982, 7360, 13964, 14720, 17455, 27928, 34910, 55856, 69820, 80293, 111712, 139640, 160586, 223424, 279280, 321172, 401465, 446848, 558560, 642344, 802930, 1117120, 1284688, 1605860, 2234240, 2569376, 3211720, 5138752, 6423440, 10277504, 12846880, 25693760, 51387520]

約数ペア:

[(1, 51387520), (2, 25693760), (4, 12846880), (5, 10277504), (8, 6423440), (10, 5138752), (16, 3211720), (20, 2569376), (23, 2234240), (32, 1605860), (40, 1284688), (46, 1117120), (64, 802930), (80, 642344), (92, 558560), (115, 446848), (128, 401465), (160, 321172), (184, 279280), (230, 223424), (320, 160586), (368, 139640), (460, 111712), (640, 80293), (736, 69820), (920, 55856), (1472, 34910), (1840, 27928), (2944, 17455), (3491, 14720), (3680, 13964), (6982, 7360)]