17996849840

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{643}}^1\times {\mathrm{1291}}^1$

素因数の和:2218

約数の個数: 80

約数和(自身を含む): 42094972416

約数和(自身を除く): 24098122576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 643, 1084, 1286, 1291, 1355, 2168, 2572, 2582, 2710, 3215, 4336, 5144, 5164, 5420, 6430, 6455, 10288, 10328, 10840, 12860, 12910, 20656, 21680, 25720, 25820, 51440, 51640, 103280, 174253, 348506, 349861, 697012, 699722, 830113, 871265, 1394024, 1399444, 1660226, 1742530, 1749305, 2788048, 2798888, 3320452, 3485060, 3498610, 4150565, 5597776, 6640904, 6970120, 6997220, 8301130, 13281808, 13940240, 13994440, 16602260, 27988880, 33204520, 66409040, 224960623, 449921246, 899842492, 1124803115, 1799684984, 2249606230, 3599369968, 4499212460, 8998424920, 17996849840]

約数ペア:

[(1, 17996849840), (2, 8998424920), (4, 4499212460), (5, 3599369968), (8, 2249606230), (10, 1799684984), (16, 1124803115), (20, 899842492), (40, 449921246), (80, 224960623), (271, 66409040), (542, 33204520), (643, 27988880), (1084, 16602260), (1286, 13994440), (1291, 13940240), (1355, 13281808), (2168, 8301130), (2572, 6997220), (2582, 6970120), (2710, 6640904), (3215, 5597776), (4336, 4150565), (5144, 3498610), (5164, 3485060), (5420, 3320452), (6430, 2798888), (6455, 2788048), (10288, 1749305), (10328, 1742530), (10840, 1660226), (12860, 1399444), (12910, 1394024), (20656, 871265), (21680, 830113), (25720, 699722), (25820, 697012), (51440, 349861), (51640, 348506), (103280, 174253)]