87502220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17713}}^1$

素因数の和:17754

約数の個数: 48

約数和(自身を含む): 208316640

約数和(自身を除く): 120814420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 17713, 35426, 70852, 88565, 177130, 230269, 336547, 354260, 460538, 673094, 921076, 1151345, 1346188, 1682735, 2302690, 3365470, 4375111, 4605380, 6730940, 8750222, 17500444, 21875555, 43751110, 87502220]

約数ペア:

[(1, 87502220), (2, 43751110), (4, 21875555), (5, 17500444), (10, 8750222), (13, 6730940), (19, 4605380), (20, 4375111), (26, 3365470), (38, 2302690), (52, 1682735), (65, 1346188), (76, 1151345), (95, 921076), (130, 673094), (190, 460538), (247, 354260), (260, 336547), (380, 230269), (494, 177130), (988, 88565), (1235, 70852), (2470, 35426), (4940, 17713)]