8019830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1259}}^1$

素因数の和:1293

約数の個数: 48

約数和(自身を含む): 18098640

約数和(自身を除く): 10078810

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1259, 1274, 2518, 3185, 6295, 6370, 8813, 12590, 16367, 17626, 32734, 44065, 61691, 81835, 88130, 114569, 123382, 163670, 229138, 308455, 572845, 616910, 801983, 1145690, 1603966, 4009915, 8019830]

約数ペア:

[(1, 8019830), (2, 4009915), (5, 1603966), (7, 1145690), (10, 801983), (13, 616910), (14, 572845), (26, 308455), (35, 229138), (49, 163670), (65, 123382), (70, 114569), (91, 88130), (98, 81835), (130, 61691), (182, 44065), (245, 32734), (455, 17626), (490, 16367), (637, 12590), (910, 8813), (1259, 6370), (1274, 6295), (2518, 3185)]