16476980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 37632000

約数和(自身を除く): 21155020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 499, 508, 635, 998, 1270, 1651, 1996, 2495, 2540, 3302, 4990, 6487, 6604, 8255, 9980, 12974, 16510, 25948, 32435, 33020, 63373, 64870, 126746, 129740, 253492, 316865, 633730, 823849, 1267460, 1647698, 3295396, 4119245, 8238490, 16476980]

約数ペア:

[(1, 16476980), (2, 8238490), (4, 4119245), (5, 3295396), (10, 1647698), (13, 1267460), (20, 823849), (26, 633730), (52, 316865), (65, 253492), (127, 129740), (130, 126746), (254, 64870), (260, 63373), (499, 33020), (508, 32435), (635, 25948), (998, 16510), (1270, 12974), (1651, 9980), (1996, 8255), (2495, 6604), (2540, 6487), (3302, 4990)]