66420580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1697}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 148337280

約数和(自身を除く): 81916700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 1030, 1697, 1957, 2060, 3394, 3914, 6788, 7828, 8485, 9785, 16970, 19570, 32243, 33940, 39140, 64486, 128972, 161215, 174791, 322430, 349582, 644860, 699164, 873955, 1747910, 3321029, 3495820, 6642058, 13284116, 16605145, 33210290, 66420580]

約数ペア:

[(1, 66420580), (2, 33210290), (4, 16605145), (5, 13284116), (10, 6642058), (19, 3495820), (20, 3321029), (38, 1747910), (76, 873955), (95, 699164), (103, 644860), (190, 349582), (206, 322430), (380, 174791), (412, 161215), (515, 128972), (1030, 64486), (1697, 39140), (1957, 33940), (2060, 32243), (3394, 19570), (3914, 16970), (6788, 9785), (7828, 8485)]