2011047560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{3121}}^1$

素因数の和:3402

約数の個数: 64

約数和(自身を含む): 4602452400

約数和(自身を除く): 2591404840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 181, 356, 362, 445, 712, 724, 890, 905, 1448, 1780, 1810, 3121, 3560, 3620, 6242, 7240, 12484, 15605, 16109, 24968, 31210, 32218, 62420, 64436, 80545, 124840, 128872, 161090, 277769, 322180, 555538, 564901, 644360, 1111076, 1129802, 1388845, 2222152, 2259604, 2777690, 2824505, 4519208, 5555380, 5649010, 11110760, 11298020, 22596040, 50276189, 100552378, 201104756, 251380945, 402209512, 502761890, 1005523780, 2011047560]

約数ペア:

[(1, 2011047560), (2, 1005523780), (4, 502761890), (5, 402209512), (8, 251380945), (10, 201104756), (20, 100552378), (40, 50276189), (89, 22596040), (178, 11298020), (181, 11110760), (356, 5649010), (362, 5555380), (445, 4519208), (712, 2824505), (724, 2777690), (890, 2259604), (905, 2222152), (1448, 1388845), (1780, 1129802), (1810, 1111076), (3121, 644360), (3560, 564901), (3620, 555538), (6242, 322180), (7240, 277769), (12484, 161090), (15605, 128872), (16109, 124840), (24968, 80545), (31210, 64436), (32218, 62420)]