65738720

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3989}}^1$

素因数の和:4107

約数の個数: 48

約数和(自身を含む): 156854880

約数和(自身を除く): 91116160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1648, 2060, 3296, 3989, 4120, 7978, 8240, 15956, 16480, 19945, 31912, 39890, 63824, 79780, 127648, 159560, 319120, 410867, 638240, 821734, 1643468, 2054335, 3286936, 4108670, 6573872, 8217340, 13147744, 16434680, 32869360, 65738720]

約数ペア:

[(1, 65738720), (2, 32869360), (4, 16434680), (5, 13147744), (8, 8217340), (10, 6573872), (16, 4108670), (20, 3286936), (32, 2054335), (40, 1643468), (80, 821734), (103, 638240), (160, 410867), (206, 319120), (412, 159560), (515, 127648), (824, 79780), (1030, 63824), (1648, 39890), (2060, 31912), (3296, 19945), (3989, 16480), (4120, 15956), (7978, 8240)]