16442920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 40360320

約数和(自身を除く): 23917400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 103, 104, 130, 206, 260, 307, 412, 515, 520, 614, 824, 1030, 1228, 1339, 1535, 2060, 2456, 2678, 3070, 3991, 4120, 5356, 6140, 6695, 7982, 10712, 12280, 13390, 15964, 19955, 26780, 31621, 31928, 39910, 53560, 63242, 79820, 126484, 158105, 159640, 252968, 316210, 411073, 632420, 822146, 1264840, 1644292, 2055365, 3288584, 4110730, 8221460, 16442920]

約数ペア:

[(1, 16442920), (2, 8221460), (4, 4110730), (5, 3288584), (8, 2055365), (10, 1644292), (13, 1264840), (20, 822146), (26, 632420), (40, 411073), (52, 316210), (65, 252968), (103, 159640), (104, 158105), (130, 126484), (206, 79820), (260, 63242), (307, 53560), (412, 39910), (515, 31928), (520, 31621), (614, 26780), (824, 19955), (1030, 15964), (1228, 13390), (1339, 12280), (1535, 10712), (2060, 7982), (2456, 6695), (2678, 6140), (3070, 5356), (3991, 4120)]