1089644140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{4229}}^1$

素因数の和:5242

約数の個数: 48

約数和(自身を含む): 2467342080

約数和(自身を除く): 1377697940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 991, 1982, 3964, 4229, 4955, 8458, 9910, 12883, 16916, 19820, 21145, 25766, 42290, 51532, 54977, 64415, 84580, 109954, 128830, 219908, 257660, 274885, 549770, 1099540, 4190939, 8381878, 16763756, 20954695, 41909390, 54482207, 83818780, 108964414, 217928828, 272411035, 544822070, 1089644140]

約数ペア:

[(1, 1089644140), (2, 544822070), (4, 272411035), (5, 217928828), (10, 108964414), (13, 83818780), (20, 54482207), (26, 41909390), (52, 20954695), (65, 16763756), (130, 8381878), (260, 4190939), (991, 1099540), (1982, 549770), (3964, 274885), (4229, 257660), (4955, 219908), (8458, 128830), (9910, 109954), (12883, 84580), (16916, 64415), (19820, 54977), (21145, 51532), (25766, 42290)]