1312769380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2089}}^1\times {\mathrm{2417}}^1$

素因数の和:4528

約数の個数: 48

約数和(自身を含む): 2971528560

約数和(自身を除く): 1658759180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2089, 2417, 4178, 4834, 8356, 9668, 10445, 12085, 20890, 24170, 27157, 31421, 41780, 48340, 54314, 62842, 108628, 125684, 135785, 157105, 271570, 314210, 543140, 628420, 5049113, 10098226, 20196452, 25245565, 50491130, 65638469, 100982260, 131276938, 262553876, 328192345, 656384690, 1312769380]

約数ペア:

[(1, 1312769380), (2, 656384690), (4, 328192345), (5, 262553876), (10, 131276938), (13, 100982260), (20, 65638469), (26, 50491130), (52, 25245565), (65, 20196452), (130, 10098226), (260, 5049113), (2089, 628420), (2417, 543140), (4178, 314210), (4834, 271570), (8356, 157105), (9668, 135785), (10445, 125684), (12085, 108628), (20890, 62842), (24170, 54314), (27157, 48340), (31421, 41780)]