204080508920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12497}}^1\times {\mathrm{7703}}^1$

素因数の和:20264

約数の個数: 64

約数和(自身を含む): 467943117120

約数和(自身を除く): 263862608200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 7703, 12497, 15406, 24994, 30812, 38515, 49988, 61624, 62485, 77030, 99976, 124970, 154060, 249940, 308120, 408259, 499880, 662341, 816518, 1324682, 1633036, 2041295, 2649364, 3266072, 3311705, 4082590, 5298728, 6623410, 8165180, 13246820, 16330360, 26493640, 96264391, 192528782, 385057564, 481321955, 770115128, 962643910, 1925287820, 3850575640, 5102012723, 10204025446, 20408050892, 25510063615, 40816101784, 51020127230, 102040254460, 204080508920]

約数ペア:

[(1, 204080508920), (2, 102040254460), (4, 51020127230), (5, 40816101784), (8, 25510063615), (10, 20408050892), (20, 10204025446), (40, 5102012723), (53, 3850575640), (106, 1925287820), (212, 962643910), (265, 770115128), (424, 481321955), (530, 385057564), (1060, 192528782), (2120, 96264391), (7703, 26493640), (12497, 16330360), (15406, 13246820), (24994, 8165180), (30812, 6623410), (38515, 5298728), (49988, 4082590), (61624, 3311705), (62485, 3266072), (77030, 2649364), (99976, 2041295), (124970, 1633036), (154060, 1324682), (249940, 816518), (308120, 662341), (408259, 499880)]