28958540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{877}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 66081792

約数和(自身を除く): 37123252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 877, 1270, 1651, 1754, 2540, 3302, 3508, 4385, 6604, 8255, 8770, 11401, 16510, 17540, 22802, 33020, 45604, 57005, 111379, 114010, 222758, 228020, 445516, 556895, 1113790, 1447927, 2227580, 2895854, 5791708, 7239635, 14479270, 28958540]

約数ペア:

[(1, 28958540), (2, 14479270), (4, 7239635), (5, 5791708), (10, 2895854), (13, 2227580), (20, 1447927), (26, 1113790), (52, 556895), (65, 445516), (127, 228020), (130, 222758), (254, 114010), (260, 111379), (508, 57005), (635, 45604), (877, 33020), (1270, 22802), (1651, 17540), (1754, 16510), (2540, 11401), (3302, 8770), (3508, 8255), (4385, 6604)]