1640992912990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1\times {\mathrm{101747}}^1$

素因数の和:102217

約数の個数: 64

約数和(自身を含む): 3058398362880

約数和(自身を除く): 1417405449890

約数列:

[1, 2, 5, 10, 41, 82, 139, 205, 278, 283, 410, 566, 695, 1390, 1415, 2830, 5699, 11398, 11603, 23206, 28495, 39337, 56990, 58015, 78674, 101747, 116030, 196685, 203494, 393370, 508735, 1017470, 1612817, 3225634, 4171627, 8064085, 8343254, 14142833, 16128170, 20858135, 28285666, 28794401, 41716270, 57588802, 70714165, 141428330, 143972005, 287944010, 579856153, 1159712306, 1180570441, 2361140882, 2899280765, 4002421739, 5798561530, 5902852205, 8004843478, 11805704410, 20012108695, 40024217390, 164099291299, 328198582598, 820496456495, 1640992912990]

約数ペア:

[(1, 1640992912990), (2, 820496456495), (5, 328198582598), (10, 164099291299), (41, 40024217390), (82, 20012108695), (139, 11805704410), (205, 8004843478), (278, 5902852205), (283, 5798561530), (410, 4002421739), (566, 2899280765), (695, 2361140882), (1390, 1180570441), (1415, 1159712306), (2830, 579856153), (5699, 287944010), (11398, 143972005), (11603, 141428330), (23206, 70714165), (28495, 57588802), (39337, 41716270), (56990, 28794401), (58015, 28285666), (78674, 20858135), (101747, 16128170), (116030, 14142833), (196685, 8343254), (203494, 8064085), (393370, 4171627), (508735, 3225634), (1017470, 1612817)]