51406640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37799}}^1$

素因数の和:37829

約数の個数: 40

約数和(自身を含む): 126554400

約数和(自身を除く): 75147760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 37799, 75598, 151196, 188995, 302392, 377990, 604784, 642583, 755980, 1285166, 1511960, 2570332, 3023920, 3212915, 5140664, 6425830, 10281328, 12851660, 25703320, 51406640]

約数ペア:

[(1, 51406640), (2, 25703320), (4, 12851660), (5, 10281328), (8, 6425830), (10, 5140664), (16, 3212915), (17, 3023920), (20, 2570332), (34, 1511960), (40, 1285166), (68, 755980), (80, 642583), (85, 604784), (136, 377990), (170, 302392), (272, 188995), (340, 151196), (680, 75598), (1360, 37799)]