51002720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1103}}^1$

素因数の和:1152

約数の個数: 72

約数和(自身を含む): 128114784

約数和(自身を除く): 77112064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1103, 1156, 1360, 1445, 2206, 2312, 2720, 2890, 4412, 4624, 5515, 5780, 8824, 9248, 11030, 11560, 17648, 18751, 22060, 23120, 35296, 37502, 44120, 46240, 75004, 88240, 93755, 150008, 176480, 187510, 300016, 318767, 375020, 600032, 637534, 750040, 1275068, 1500080, 1593835, 2550136, 3000160, 3187670, 5100272, 6375340, 10200544, 12750680, 25501360, 51002720]

約数ペア:

[(1, 51002720), (2, 25501360), (4, 12750680), (5, 10200544), (8, 6375340), (10, 5100272), (16, 3187670), (17, 3000160), (20, 2550136), (32, 1593835), (34, 1500080), (40, 1275068), (68, 750040), (80, 637534), (85, 600032), (136, 375020), (160, 318767), (170, 300016), (272, 187510), (289, 176480), (340, 150008), (544, 93755), (578, 88240), (680, 75004), (1103, 46240), (1156, 44120), (1360, 37502), (1445, 35296), (2206, 23120), (2312, 22060), (2720, 18751), (2890, 17648), (4412, 11560), (4624, 11030), (5515, 9248), (5780, 8824)]