16252640

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 38701152

約数和(自身を除く): 22448512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 647, 785, 1256, 1294, 1570, 2512, 2588, 3140, 3235, 5024, 5176, 6280, 6470, 10352, 12560, 12940, 20704, 25120, 25880, 51760, 101579, 103520, 203158, 406316, 507895, 812632, 1015790, 1625264, 2031580, 3250528, 4063160, 8126320, 16252640]

約数ペア:

[(1, 16252640), (2, 8126320), (4, 4063160), (5, 3250528), (8, 2031580), (10, 1625264), (16, 1015790), (20, 812632), (32, 507895), (40, 406316), (80, 203158), (157, 103520), (160, 101579), (314, 51760), (628, 25880), (647, 25120), (785, 20704), (1256, 12940), (1294, 12560), (1570, 10352), (2512, 6470), (2588, 6280), (3140, 5176), (3235, 5024)]