51111680

素因数分解:

$2^8\times 5^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 124332432

約数和(自身を除く): 73220752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 320, 365, 547, 584, 640, 730, 1094, 1168, 1280, 1460, 2188, 2336, 2735, 2920, 4376, 4672, 5470, 5840, 8752, 9344, 10940, 11680, 17504, 18688, 21880, 23360, 35008, 39931, 43760, 46720, 70016, 79862, 87520, 93440, 140032, 159724, 175040, 199655, 319448, 350080, 399310, 638896, 700160, 798620, 1277792, 1597240, 2555584, 3194480, 5111168, 6388960, 10222336, 12777920, 25555840, 51111680]

約数ペア:

[(1, 51111680), (2, 25555840), (4, 12777920), (5, 10222336), (8, 6388960), (10, 5111168), (16, 3194480), (20, 2555584), (32, 1597240), (40, 1277792), (64, 798620), (73, 700160), (80, 638896), (128, 399310), (146, 350080), (160, 319448), (256, 199655), (292, 175040), (320, 159724), (365, 140032), (547, 93440), (584, 87520), (640, 79862), (730, 70016), (1094, 46720), (1168, 43760), (1280, 39931), (1460, 35008), (2188, 23360), (2336, 21880), (2735, 18688), (2920, 17504), (4376, 11680), (4672, 10940), (5470, 9344), (5840, 8752)]