888080180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{14173}}^1$

素因数の和:14436

約数の個数: 48

約数和(自身を含む): 2016903504

約数和(自身を除く): 1128823324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 241, 260, 482, 964, 1205, 2410, 3133, 4820, 6266, 12532, 14173, 15665, 28346, 31330, 56692, 62660, 70865, 141730, 184249, 283460, 368498, 736996, 921245, 1842490, 3415693, 3684980, 6831386, 13662772, 17078465, 34156930, 44404009, 68313860, 88808018, 177616036, 222020045, 444040090, 888080180]

約数ペア:

[(1, 888080180), (2, 444040090), (4, 222020045), (5, 177616036), (10, 88808018), (13, 68313860), (20, 44404009), (26, 34156930), (52, 17078465), (65, 13662772), (130, 6831386), (241, 3684980), (260, 3415693), (482, 1842490), (964, 921245), (1205, 736996), (2410, 368498), (3133, 283460), (4820, 184249), (6266, 141730), (12532, 70865), (14173, 62660), (15665, 56692), (28346, 31330)]