4445480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 11007360

約数和(自身を除く): 6561880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 103, 104, 130, 166, 206, 260, 332, 412, 415, 515, 520, 664, 824, 830, 1030, 1079, 1339, 1660, 2060, 2158, 2678, 3320, 4120, 4316, 5356, 5395, 6695, 8549, 8632, 10712, 10790, 13390, 17098, 21580, 26780, 34196, 42745, 43160, 53560, 68392, 85490, 111137, 170980, 222274, 341960, 444548, 555685, 889096, 1111370, 2222740, 4445480]

約数ペア:

[(1, 4445480), (2, 2222740), (4, 1111370), (5, 889096), (8, 555685), (10, 444548), (13, 341960), (20, 222274), (26, 170980), (40, 111137), (52, 85490), (65, 68392), (83, 53560), (103, 43160), (104, 42745), (130, 34196), (166, 26780), (206, 21580), (260, 17098), (332, 13390), (412, 10790), (415, 10712), (515, 8632), (520, 8549), (664, 6695), (824, 5395), (830, 5356), (1030, 4316), (1079, 4120), (1339, 3320), (1660, 2678), (2060, 2158)]