55853980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30689}}^1$

素因数の和:30718

約数の個数: 48

約数和(自身を含む): 144365760

約数和(自身を除く): 88511780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 30689, 61378, 122756, 153445, 214823, 306890, 398957, 429646, 613780, 797914, 859292, 1074115, 1595828, 1994785, 2148230, 2792699, 3989570, 4296460, 5585398, 7979140, 11170796, 13963495, 27926990, 55853980]

約数ペア:

[(1, 55853980), (2, 27926990), (4, 13963495), (5, 11170796), (7, 7979140), (10, 5585398), (13, 4296460), (14, 3989570), (20, 2792699), (26, 2148230), (28, 1994785), (35, 1595828), (52, 1074115), (65, 859292), (70, 797914), (91, 613780), (130, 429646), (140, 398957), (182, 306890), (260, 214823), (364, 153445), (455, 122756), (910, 61378), (1820, 30689)]