22597880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 52747200

約数和(自身を除く): 30149320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 73, 109, 142, 146, 218, 284, 292, 355, 365, 436, 545, 568, 584, 710, 730, 872, 1090, 1420, 1460, 2180, 2840, 2920, 4360, 5183, 7739, 7957, 10366, 15478, 15914, 20732, 25915, 30956, 31828, 38695, 39785, 41464, 51830, 61912, 63656, 77390, 79570, 103660, 154780, 159140, 207320, 309560, 318280, 564947, 1129894, 2259788, 2824735, 4519576, 5649470, 11298940, 22597880]

約数ペア:

[(1, 22597880), (2, 11298940), (4, 5649470), (5, 4519576), (8, 2824735), (10, 2259788), (20, 1129894), (40, 564947), (71, 318280), (73, 309560), (109, 207320), (142, 159140), (146, 154780), (218, 103660), (284, 79570), (292, 77390), (355, 63656), (365, 61912), (436, 51830), (545, 41464), (568, 39785), (584, 38695), (710, 31828), (730, 30956), (872, 25915), (1090, 20732), (1420, 15914), (1460, 15478), (2180, 10366), (2840, 7957), (2920, 7739), (4360, 5183)]