4941280

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 11838960

約数和(自身を除く): 6897680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 347, 356, 445, 694, 712, 890, 1388, 1424, 1735, 1780, 2776, 2848, 3470, 3560, 5552, 6940, 7120, 11104, 13880, 14240, 27760, 30883, 55520, 61766, 123532, 154415, 247064, 308830, 494128, 617660, 988256, 1235320, 2470640, 4941280]

約数ペア:

[(1, 4941280), (2, 2470640), (4, 1235320), (5, 988256), (8, 617660), (10, 494128), (16, 308830), (20, 247064), (32, 154415), (40, 123532), (80, 61766), (89, 55520), (160, 30883), (178, 27760), (347, 14240), (356, 13880), (445, 11104), (694, 7120), (712, 6940), (890, 5552), (1388, 3560), (1424, 3470), (1735, 2848), (1780, 2776)]