1639390100

素因数分解:

$2^2\times 5^2\times {\mathrm{1301}}^1\times {\mathrm{12601}}^1$

素因数の和:13916

約数の個数: 36

約数和(自身を含む): 3560493468

約数和(自身を除く): 1921103368

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1301, 2602, 5204, 6505, 12601, 13010, 25202, 26020, 32525, 50404, 63005, 65050, 126010, 130100, 252020, 315025, 630050, 1260100, 16393901, 32787802, 65575604, 81969505, 163939010, 327878020, 409847525, 819695050, 1639390100]

約数ペア:

[(1, 1639390100), (2, 819695050), (4, 409847525), (5, 327878020), (10, 163939010), (20, 81969505), (25, 65575604), (50, 32787802), (100, 16393901), (1301, 1260100), (2602, 630050), (5204, 315025), (6505, 252020), (12601, 130100), (13010, 126010), (25202, 65050), (26020, 63005), (32525, 50404)]